Home / 11,400.58-15,737.61-6,925.78

Finding the Fourth Proportional to 11,400.58, 15,737.61 and 6,925.78

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Solution

The fourth proportional to 11,400.58, 15,737.61 and 6,925.78 is: 9,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.58 : 15,737.61 = 6,925.78 : x
  2. Step 2: Convert to fraction form
    11,400.58/15,737.61 = 6,925.78/x
  3. Step 3: Cross multiply
    11,400.58x = 15,737.61 × 6,925.78
  4. Step 4: Simplify right side
    11,400.58x = 108,995,224.59
  5. Step 5: Solve for x
    x = 108,995,224.59/11,400.58
  6. Step 6: Final answer
    x = 9,560.50

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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.