Home / 12,575.22-17,354.98-7,269.72

Finding the Fourth Proportional to 12,575.22, 17,354.98 and 7,269.72

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Solution

The fourth proportional to 12,575.22, 17,354.98 and 7,269.72 is: 10,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.22 : 17,354.98 = 7,269.72 : x
  2. Step 2: Convert to fraction form
    12,575.22/17,354.98 = 7,269.72/x
  3. Step 3: Cross multiply
    12,575.22x = 17,354.98 × 7,269.72
  4. Step 4: Simplify right side
    12,575.22x = 126,165,845.21
  5. Step 5: Solve for x
    x = 126,165,845.21/12,575.22
  6. Step 6: Final answer
    x = 10,032.89

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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.