Home / 8,057.11-12,084.23-5,126.71

Finding the Fourth Proportional to 8,057.11, 12,084.23 and 5,126.71

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Solution

The fourth proportional to 8,057.11, 12,084.23 and 5,126.71 is: 7,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.11 : 12,084.23 = 5,126.71 : x
  2. Step 2: Convert to fraction form
    8,057.11/12,084.23 = 5,126.71/x
  3. Step 3: Cross multiply
    8,057.11x = 12,084.23 × 5,126.71
  4. Step 4: Simplify right side
    8,057.11x = 61,952,317.15
  5. Step 5: Solve for x
    x = 61,952,317.15/8,057.11
  6. Step 6: Final answer
    x = 7,689.15

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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.