Home / 11,238.60-16,877.10-7,360.20

Finding the Fourth Proportional to 11,238.60, 16,877.10 and 7,360.20

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Solution

The fourth proportional to 11,238.60, 16,877.10 and 7,360.20 is: 11,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.60 : 16,877.10 = 7,360.20 : x
  2. Step 2: Convert to fraction form
    11,238.60/16,877.10 = 7,360.20/x
  3. Step 3: Cross multiply
    11,238.60x = 16,877.10 × 7,360.20
  4. Step 4: Simplify right side
    11,238.60x = 124,218,831.42
  5. Step 5: Solve for x
    x = 124,218,831.42/11,238.60
  6. Step 6: Final answer
    x = 11,052.87

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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.