Home / 11,160.12-15,400.92-6,124.42

Finding the Fourth Proportional to 11,160.12, 15,400.92 and 6,124.42

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Solution

The fourth proportional to 11,160.12, 15,400.92 and 6,124.42 is: 8,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.12 : 15,400.92 = 6,124.42 : x
  2. Step 2: Convert to fraction form
    11,160.12/15,400.92 = 6,124.42/x
  3. Step 3: Cross multiply
    11,160.12x = 15,400.92 × 6,124.42
  4. Step 4: Simplify right side
    11,160.12x = 94,321,718.97
  5. Step 5: Solve for x
    x = 94,321,718.97/11,160.12
  6. Step 6: Final answer
    x = 8,451.68

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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.