Home / 10,435.98-15,645.33-5,247.66

Finding the Fourth Proportional to 10,435.98, 15,645.33 and 5,247.66

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Solution

The fourth proportional to 10,435.98, 15,645.33 and 5,247.66 is: 7,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.98 : 15,645.33 = 5,247.66 : x
  2. Step 2: Convert to fraction form
    10,435.98/15,645.33 = 5,247.66/x
  3. Step 3: Cross multiply
    10,435.98x = 15,645.33 × 5,247.66
  4. Step 4: Simplify right side
    10,435.98x = 82,101,372.43
  5. Step 5: Solve for x
    x = 82,101,372.43/10,435.98
  6. Step 6: Final answer
    x = 7,867.15

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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.