Home / 10,720.74-16,081.11-5,792.70

Finding the Fourth Proportional to 10,720.74, 16,081.11 and 5,792.70

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Solution

The fourth proportional to 10,720.74, 16,081.11 and 5,792.70 is: 8,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.74 : 16,081.11 = 5,792.70 : x
  2. Step 2: Convert to fraction form
    10,720.74/16,081.11 = 5,792.70/x
  3. Step 3: Cross multiply
    10,720.74x = 16,081.11 × 5,792.70
  4. Step 4: Simplify right side
    10,720.74x = 93,153,045.90
  5. Step 5: Solve for x
    x = 93,153,045.90/10,720.74
  6. Step 6: Final answer
    x = 8,689.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.