Home / 7,488.71-11,232.08-2,223.61

Finding the Fourth Proportional to 7,488.71, 11,232.08 and 2,223.61

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Solution

The fourth proportional to 7,488.71, 11,232.08 and 2,223.61 is: 3,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.71 : 11,232.08 = 2,223.61 : x
  2. Step 2: Convert to fraction form
    7,488.71/11,232.08 = 2,223.61/x
  3. Step 3: Cross multiply
    7,488.71x = 11,232.08 × 2,223.61
  4. Step 4: Simplify right side
    7,488.71x = 24,975,734.55
  5. Step 5: Solve for x
    x = 24,975,734.55/7,488.71
  6. Step 6: Final answer
    x = 3,335.12

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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.