Home / 8,543.97-11,790.68-5,007.18

Finding the Fourth Proportional to 8,543.97, 11,790.68 and 5,007.18

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Solution

The fourth proportional to 8,543.97, 11,790.68 and 5,007.18 is: 6,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.97 : 11,790.68 = 5,007.18 : x
  2. Step 2: Convert to fraction form
    8,543.97/11,790.68 = 5,007.18/x
  3. Step 3: Cross multiply
    8,543.97x = 11,790.68 × 5,007.18
  4. Step 4: Simplify right side
    8,543.97x = 59,038,057.08
  5. Step 5: Solve for x
    x = 59,038,057.08/8,543.97
  6. Step 6: Final answer
    x = 6,909.91

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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.