Home / 10,352.56-15,532.08-3,780.76

Finding the Fourth Proportional to 10,352.56, 15,532.08 and 3,780.76

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Solution

The fourth proportional to 10,352.56, 15,532.08 and 3,780.76 is: 5,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.56 : 15,532.08 = 3,780.76 : x
  2. Step 2: Convert to fraction form
    10,352.56/15,532.08 = 3,780.76/x
  3. Step 3: Cross multiply
    10,352.56x = 15,532.08 × 3,780.76
  4. Step 4: Simplify right side
    10,352.56x = 58,723,066.78
  5. Step 5: Solve for x
    x = 58,723,066.78/10,352.56
  6. Step 6: Final answer
    x = 5,672.32

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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.