Home / 10,488.50-15,732.75-4,332.66

Finding the Fourth Proportional to 10,488.50, 15,732.75 and 4,332.66

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Solution

The fourth proportional to 10,488.50, 15,732.75 and 4,332.66 is: 6,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.50 : 15,732.75 = 4,332.66 : x
  2. Step 2: Convert to fraction form
    10,488.50/15,732.75 = 4,332.66/x
  3. Step 3: Cross multiply
    10,488.50x = 15,732.75 × 4,332.66
  4. Step 4: Simplify right side
    10,488.50x = 68,164,656.62
  5. Step 5: Solve for x
    x = 68,164,656.62/10,488.50
  6. Step 6: Final answer
    x = 6,498.99

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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.