Home / 7,380.93-10,162.15-6,877.92

Finding the Fourth Proportional to 7,380.93, 10,162.15 and 6,877.92

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Solution

The fourth proportional to 7,380.93, 10,162.15 and 6,877.92 is: 9,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.93 : 10,162.15 = 6,877.92 : x
  2. Step 2: Convert to fraction form
    7,380.93/10,162.15 = 6,877.92/x
  3. Step 3: Cross multiply
    7,380.93x = 10,162.15 × 6,877.92
  4. Step 4: Simplify right side
    7,380.93x = 69,894,454.73
  5. Step 5: Solve for x
    x = 69,894,454.73/7,380.93
  6. Step 6: Final answer
    x = 9,469.60

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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.