Home / 12,575.44-17,354.10-7,271.56

Finding the Fourth Proportional to 12,575.44, 17,354.10 and 7,271.56

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Solution

The fourth proportional to 12,575.44, 17,354.10 and 7,271.56 is: 10,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.44 : 17,354.10 = 7,271.56 : x
  2. Step 2: Convert to fraction form
    12,575.44/17,354.10 = 7,271.56/x
  3. Step 3: Cross multiply
    12,575.44x = 17,354.10 × 7,271.56
  4. Step 4: Simplify right side
    12,575.44x = 126,191,379.40
  5. Step 5: Solve for x
    x = 126,191,379.40/12,575.44
  6. Step 6: Final answer
    x = 10,034.75

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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.