Home / 10,555.21-14,564.55-6,079.15

Finding the Fourth Proportional to 10,555.21, 14,564.55 and 6,079.15

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Solution

The fourth proportional to 10,555.21, 14,564.55 and 6,079.15 is: 8,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.21 : 14,564.55 = 6,079.15 : x
  2. Step 2: Convert to fraction form
    10,555.21/14,564.55 = 6,079.15/x
  3. Step 3: Cross multiply
    10,555.21x = 14,564.55 × 6,079.15
  4. Step 4: Simplify right side
    10,555.21x = 88,540,084.13
  5. Step 5: Solve for x
    x = 88,540,084.13/10,555.21
  6. Step 6: Final answer
    x = 8,388.28

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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.