Home / 11,126.19-15,354.14-6,158.19

Finding the Fourth Proportional to 11,126.19, 15,354.14 and 6,158.19

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Solution

The fourth proportional to 11,126.19, 15,354.14 and 6,158.19 is: 8,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.19 : 15,354.14 = 6,158.19 : x
  2. Step 2: Convert to fraction form
    11,126.19/15,354.14 = 6,158.19/x
  3. Step 3: Cross multiply
    11,126.19x = 15,354.14 × 6,158.19
  4. Step 4: Simplify right side
    11,126.19x = 94,553,711.41
  5. Step 5: Solve for x
    x = 94,553,711.41/11,126.19
  6. Step 6: Final answer
    x = 8,498.30

Related Problems

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Half scale
Find fourth proportional to 22,252.38, 30,708.28 and 12,316.38
Double scale
Find fourth proportional to 11,127.19, 15,355.52 and 6,159.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.