Home / 10,174.28-15,252.30-4,327.70

Finding the Fourth Proportional to 10,174.28, 15,252.30 and 4,327.70

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Solution

The fourth proportional to 10,174.28, 15,252.30 and 4,327.70 is: 6,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.28 : 15,252.30 = 4,327.70 : x
  2. Step 2: Convert to fraction form
    10,174.28/15,252.30 = 4,327.70/x
  3. Step 3: Cross multiply
    10,174.28x = 15,252.30 × 4,327.70
  4. Step 4: Simplify right side
    10,174.28x = 66,007,378.71
  5. Step 5: Solve for x
    x = 66,007,378.71/10,174.28
  6. Step 6: Final answer
    x = 6,487.67

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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.