Home / 10,446.20-15,668.46-4,898.12

Finding the Fourth Proportional to 10,446.20, 15,668.46 and 4,898.12

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Solution

The fourth proportional to 10,446.20, 15,668.46 and 4,898.12 is: 7,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.20 : 15,668.46 = 4,898.12 : x
  2. Step 2: Convert to fraction form
    10,446.20/15,668.46 = 4,898.12/x
  3. Step 3: Cross multiply
    10,446.20x = 15,668.46 × 4,898.12
  4. Step 4: Simplify right side
    10,446.20x = 76,745,997.30
  5. Step 5: Solve for x
    x = 76,745,997.30/10,446.20
  6. Step 6: Final answer
    x = 7,346.79

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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.