Home / 8,332.40-12,499.80-2,488.24

Finding the Fourth Proportional to 8,332.40, 12,499.80 and 2,488.24

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Solution

The fourth proportional to 8,332.40, 12,499.80 and 2,488.24 is: 3,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.40 : 12,499.80 = 2,488.24 : x
  2. Step 2: Convert to fraction form
    8,332.40/12,499.80 = 2,488.24/x
  3. Step 3: Cross multiply
    8,332.40x = 12,499.80 × 2,488.24
  4. Step 4: Simplify right side
    8,332.40x = 31,102,502.35
  5. Step 5: Solve for x
    x = 31,102,502.35/8,332.40
  6. Step 6: Final answer
    x = 3,732.72

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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.