Home / 11,371.02-15,691.82-6,335.60

Finding the Fourth Proportional to 11,371.02, 15,691.82 and 6,335.60

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Solution

The fourth proportional to 11,371.02, 15,691.82 and 6,335.60 is: 8,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.02 : 15,691.82 = 6,335.60 : x
  2. Step 2: Convert to fraction form
    11,371.02/15,691.82 = 6,335.60/x
  3. Step 3: Cross multiply
    11,371.02x = 15,691.82 × 6,335.60
  4. Step 4: Simplify right side
    11,371.02x = 99,417,094.79
  5. Step 5: Solve for x
    x = 99,417,094.79/11,371.02
  6. Step 6: Final answer
    x = 8,743.02

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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.