Home / 10,447.76-14,418.24-5,732.36

Finding the Fourth Proportional to 10,447.76, 14,418.24 and 5,732.36

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Solution

The fourth proportional to 10,447.76, 14,418.24 and 5,732.36 is: 7,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.76 : 14,418.24 = 5,732.36 : x
  2. Step 2: Convert to fraction form
    10,447.76/14,418.24 = 5,732.36/x
  3. Step 3: Cross multiply
    10,447.76x = 14,418.24 × 5,732.36
  4. Step 4: Simplify right side
    10,447.76x = 82,650,542.25
  5. Step 5: Solve for x
    x = 82,650,542.25/10,447.76
  6. Step 6: Final answer
    x = 7,910.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.