Home / 11,652.38-17,479.80-4,989.56

Finding the Fourth Proportional to 11,652.38, 17,479.80 and 4,989.56

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Solution

The fourth proportional to 11,652.38, 17,479.80 and 4,989.56 is: 7,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.38 : 17,479.80 = 4,989.56 : x
  2. Step 2: Convert to fraction form
    11,652.38/17,479.80 = 4,989.56/x
  3. Step 3: Cross multiply
    11,652.38x = 17,479.80 × 4,989.56
  4. Step 4: Simplify right side
    11,652.38x = 87,216,510.89
  5. Step 5: Solve for x
    x = 87,216,510.89/11,652.38
  6. Step 6: Final answer
    x = 7,484.87

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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.