Home / 10,440.80-15,658.76-4,888.85

Finding the Fourth Proportional to 10,440.80, 15,658.76 and 4,888.85

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Solution

The fourth proportional to 10,440.80, 15,658.76 and 4,888.85 is: 7,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.80 : 15,658.76 = 4,888.85 : x
  2. Step 2: Convert to fraction form
    10,440.80/15,658.76 = 4,888.85/x
  3. Step 3: Cross multiply
    10,440.80x = 15,658.76 × 4,888.85
  4. Step 4: Simplify right side
    10,440.80x = 76,553,380.20
  5. Step 5: Solve for x
    x = 76,553,380.20/10,440.80
  6. Step 6: Final answer
    x = 7,332.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.