Home / 10,123.80-15,181.22-4,576.92

Finding the Fourth Proportional to 10,123.80, 15,181.22 and 4,576.92

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Solution

The fourth proportional to 10,123.80, 15,181.22 and 4,576.92 is: 6,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.80 : 15,181.22 = 4,576.92 : x
  2. Step 2: Convert to fraction form
    10,123.80/15,181.22 = 4,576.92/x
  3. Step 3: Cross multiply
    10,123.80x = 15,181.22 × 4,576.92
  4. Step 4: Simplify right side
    10,123.80x = 69,483,229.44
  5. Step 5: Solve for x
    x = 69,483,229.44/10,123.80
  6. Step 6: Final answer
    x = 6,863.35

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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.