Home / 8,701.92-12,007.44-5,117.04

Finding the Fourth Proportional to 8,701.92, 12,007.44 and 5,117.04

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Solution

The fourth proportional to 8,701.92, 12,007.44 and 5,117.04 is: 7,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.92 : 12,007.44 = 5,117.04 : x
  2. Step 2: Convert to fraction form
    8,701.92/12,007.44 = 5,117.04/x
  3. Step 3: Cross multiply
    8,701.92x = 12,007.44 × 5,117.04
  4. Step 4: Simplify right side
    8,701.92x = 61,442,550.78
  5. Step 5: Solve for x
    x = 61,442,550.78/8,701.92
  6. Step 6: Final answer
    x = 7,060.80

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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.