Home / 8,792.28-12,132.87-4,812.62

Finding the Fourth Proportional to 8,792.28, 12,132.87 and 4,812.62

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Solution

The fourth proportional to 8,792.28, 12,132.87 and 4,812.62 is: 6,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.28 : 12,132.87 = 4,812.62 : x
  2. Step 2: Convert to fraction form
    8,792.28/12,132.87 = 4,812.62/x
  3. Step 3: Cross multiply
    8,792.28x = 12,132.87 × 4,812.62
  4. Step 4: Simplify right side
    8,792.28x = 58,390,892.82
  5. Step 5: Solve for x
    x = 58,390,892.82/8,792.28
  6. Step 6: Final answer
    x = 6,641.15

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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.