Home / 10,178.01-15,267.42-3,158.76

Finding the Fourth Proportional to 10,178.01, 15,267.42 and 3,158.76

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Solution

The fourth proportional to 10,178.01, 15,267.42 and 3,158.76 is: 4,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.01 : 15,267.42 = 3,158.76 : x
  2. Step 2: Convert to fraction form
    10,178.01/15,267.42 = 3,158.76/x
  3. Step 3: Cross multiply
    10,178.01x = 15,267.42 × 3,158.76
  4. Step 4: Simplify right side
    10,178.01x = 48,226,115.60
  5. Step 5: Solve for x
    x = 48,226,115.60/10,178.01
  6. Step 6: Final answer
    x = 4,738.27

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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.