Home / 10,045.32-15,065.10-3,469.80

Finding the Fourth Proportional to 10,045.32, 15,065.10 and 3,469.80

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Solution

The fourth proportional to 10,045.32, 15,065.10 and 3,469.80 is: 5,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.32 : 15,065.10 = 3,469.80 : x
  2. Step 2: Convert to fraction form
    10,045.32/15,065.10 = 3,469.80/x
  3. Step 3: Cross multiply
    10,045.32x = 15,065.10 × 3,469.80
  4. Step 4: Simplify right side
    10,045.32x = 52,272,883.98
  5. Step 5: Solve for x
    x = 52,272,883.98/10,045.32
  6. Step 6: Final answer
    x = 5,203.71

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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.