Home / 8,949.71-12,344.90-5,767.13

Finding the Fourth Proportional to 8,949.71, 12,344.90 and 5,767.13

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Solution

The fourth proportional to 8,949.71, 12,344.90 and 5,767.13 is: 7,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.71 : 12,344.90 = 5,767.13 : x
  2. Step 2: Convert to fraction form
    8,949.71/12,344.90 = 5,767.13/x
  3. Step 3: Cross multiply
    8,949.71x = 12,344.90 × 5,767.13
  4. Step 4: Simplify right side
    8,949.71x = 71,194,552.58
  5. Step 5: Solve for x
    x = 71,194,552.58/8,949.71
  6. Step 6: Final answer
    x = 7,954.96

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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.