Home / 9,160.97-12,641.91-5,127.85

Finding the Fourth Proportional to 9,160.97, 12,641.91 and 5,127.85

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Solution

The fourth proportional to 9,160.97, 12,641.91 and 5,127.85 is: 7,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.97 : 12,641.91 = 5,127.85 : x
  2. Step 2: Convert to fraction form
    9,160.97/12,641.91 = 5,127.85/x
  3. Step 3: Cross multiply
    9,160.97x = 12,641.91 × 5,127.85
  4. Step 4: Simplify right side
    9,160.97x = 64,825,818.19
  5. Step 5: Solve for x
    x = 64,825,818.19/9,160.97
  6. Step 6: Final answer
    x = 7,076.31

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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.