Home / 10,424.83-15,638.53-3,402.96

Finding the Fourth Proportional to 10,424.83, 15,638.53 and 3,402.96

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Solution

The fourth proportional to 10,424.83, 15,638.53 and 3,402.96 is: 5,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.83 : 15,638.53 = 3,402.96 : x
  2. Step 2: Convert to fraction form
    10,424.83/15,638.53 = 3,402.96/x
  3. Step 3: Cross multiply
    10,424.83x = 15,638.53 × 3,402.96
  4. Step 4: Simplify right side
    10,424.83x = 53,217,283.54
  5. Step 5: Solve for x
    x = 53,217,283.54/10,424.83
  6. Step 6: Final answer
    x = 5,104.86

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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.