Home / 8,947.55-12,335.99-5,755.14

Finding the Fourth Proportional to 8,947.55, 12,335.99 and 5,755.14

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Solution

The fourth proportional to 8,947.55, 12,335.99 and 5,755.14 is: 7,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.55 : 12,335.99 = 5,755.14 : x
  2. Step 2: Convert to fraction form
    8,947.55/12,335.99 = 5,755.14/x
  3. Step 3: Cross multiply
    8,947.55x = 12,335.99 × 5,755.14
  4. Step 4: Simplify right side
    8,947.55x = 70,995,320.71
  5. Step 5: Solve for x
    x = 70,995,320.71/8,947.55
  6. Step 6: Final answer
    x = 7,934.61

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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.