Home / 11,260.50-15,543.14-7,068.75

Finding the Fourth Proportional to 11,260.50, 15,543.14 and 7,068.75

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Solution

The fourth proportional to 11,260.50, 15,543.14 and 7,068.75 is: 9,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.50 : 15,543.14 = 7,068.75 : x
  2. Step 2: Convert to fraction form
    11,260.50/15,543.14 = 7,068.75/x
  3. Step 3: Cross multiply
    11,260.50x = 15,543.14 × 7,068.75
  4. Step 4: Simplify right side
    11,260.50x = 109,870,535.53
  5. Step 5: Solve for x
    x = 109,870,535.53/11,260.50
  6. Step 6: Final answer
    x = 9,757.16

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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.