Home / 10,453.38-15,680.12-3,532.74

Finding the Fourth Proportional to 10,453.38, 15,680.12 and 3,532.74

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Solution

The fourth proportional to 10,453.38, 15,680.12 and 3,532.74 is: 5,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.38 : 15,680.12 = 3,532.74 : x
  2. Step 2: Convert to fraction form
    10,453.38/15,680.12 = 3,532.74/x
  3. Step 3: Cross multiply
    10,453.38x = 15,680.12 × 3,532.74
  4. Step 4: Simplify right side
    10,453.38x = 55,393,769.47
  5. Step 5: Solve for x
    x = 55,393,769.47/10,453.38
  6. Step 6: Final answer
    x = 5,299.13

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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.