Home / 10,948.19-15,108.56-5,980.19

Finding the Fourth Proportional to 10,948.19, 15,108.56 and 5,980.19

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Solution

The fourth proportional to 10,948.19, 15,108.56 and 5,980.19 is: 8,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.19 : 15,108.56 = 5,980.19 : x
  2. Step 2: Convert to fraction form
    10,948.19/15,108.56 = 5,980.19/x
  3. Step 3: Cross multiply
    10,948.19x = 15,108.56 × 5,980.19
  4. Step 4: Simplify right side
    10,948.19x = 90,352,014.18
  5. Step 5: Solve for x
    x = 90,352,014.18/10,948.19
  6. Step 6: Final answer
    x = 8,252.69

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Double scale
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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.