Home / 12,734.30-17,575.42-7,070.85

Finding the Fourth Proportional to 12,734.30, 17,575.42 and 7,070.85

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Solution

The fourth proportional to 12,734.30, 17,575.42 and 7,070.85 is: 9,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.30 : 17,575.42 = 7,070.85 : x
  2. Step 2: Convert to fraction form
    12,734.30/17,575.42 = 7,070.85/x
  3. Step 3: Cross multiply
    12,734.30x = 17,575.42 × 7,070.85
  4. Step 4: Simplify right side
    12,734.30x = 124,273,220.12
  5. Step 5: Solve for x
    x = 124,273,220.12/12,734.30
  6. Step 6: Final answer
    x = 9,758.94

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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.