Home / 8,601.16-11,866.20-5,616.04

Finding the Fourth Proportional to 8,601.16, 11,866.20 and 5,616.04

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Solution

The fourth proportional to 8,601.16, 11,866.20 and 5,616.04 is: 7,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.16 : 11,866.20 = 5,616.04 : x
  2. Step 2: Convert to fraction form
    8,601.16/11,866.20 = 5,616.04/x
  3. Step 3: Cross multiply
    8,601.16x = 11,866.20 × 5,616.04
  4. Step 4: Simplify right side
    8,601.16x = 66,641,053.85
  5. Step 5: Solve for x
    x = 66,641,053.85/8,601.16
  6. Step 6: Final answer
    x = 7,747.91

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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.