Home / 10,225.92-15,343.20-9,302.88

Finding the Fourth Proportional to 10,225.92, 15,343.20 and 9,302.88

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Solution

The fourth proportional to 10,225.92, 15,343.20 and 9,302.88 is: 13,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.92 : 15,343.20 = 9,302.88 : x
  2. Step 2: Convert to fraction form
    10,225.92/15,343.20 = 9,302.88/x
  3. Step 3: Cross multiply
    10,225.92x = 15,343.20 × 9,302.88
  4. Step 4: Simplify right side
    10,225.92x = 142,735,948.42
  5. Step 5: Solve for x
    x = 142,735,948.42/10,225.92
  6. Step 6: Final answer
    x = 13,958.25

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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.