Home / 11,146.92-15,384.02-6,367.61

Finding the Fourth Proportional to 11,146.92, 15,384.02 and 6,367.61

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Solution

The fourth proportional to 11,146.92, 15,384.02 and 6,367.61 is: 8,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.92 : 15,384.02 = 6,367.61 : x
  2. Step 2: Convert to fraction form
    11,146.92/15,384.02 = 6,367.61/x
  3. Step 3: Cross multiply
    11,146.92x = 15,384.02 × 6,367.61
  4. Step 4: Simplify right side
    11,146.92x = 97,959,439.59
  5. Step 5: Solve for x
    x = 97,959,439.59/11,146.92
  6. Step 6: Final answer
    x = 8,788.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.