Home / 8,575.38-11,825.34-5,214.92

Finding the Fourth Proportional to 8,575.38, 11,825.34 and 5,214.92

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Solution

The fourth proportional to 8,575.38, 11,825.34 and 5,214.92 is: 7,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.38 : 11,825.34 = 5,214.92 : x
  2. Step 2: Convert to fraction form
    8,575.38/11,825.34 = 5,214.92/x
  3. Step 3: Cross multiply
    8,575.38x = 11,825.34 × 5,214.92
  4. Step 4: Simplify right side
    8,575.38x = 61,668,142.95
  5. Step 5: Solve for x
    x = 61,668,142.95/8,575.38
  6. Step 6: Final answer
    x = 7,191.30

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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.