Home / 10,348.38-15,526.22-4,422.75

Finding the Fourth Proportional to 10,348.38, 15,526.22 and 4,422.75

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Solution

The fourth proportional to 10,348.38, 15,526.22 and 4,422.75 is: 6,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.38 : 15,526.22 = 4,422.75 : x
  2. Step 2: Convert to fraction form
    10,348.38/15,526.22 = 4,422.75/x
  3. Step 3: Cross multiply
    10,348.38x = 15,526.22 × 4,422.75
  4. Step 4: Simplify right side
    10,348.38x = 68,668,589.51
  5. Step 5: Solve for x
    x = 68,668,589.51/10,348.38
  6. Step 6: Final answer
    x = 6,635.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.