Home / 8,103.02-11,187.33-6,614.48

Finding the Fourth Proportional to 8,103.02, 11,187.33 and 6,614.48

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Solution

The fourth proportional to 8,103.02, 11,187.33 and 6,614.48 is: 9,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.02 : 11,187.33 = 6,614.48 : x
  2. Step 2: Convert to fraction form
    8,103.02/11,187.33 = 6,614.48/x
  3. Step 3: Cross multiply
    8,103.02x = 11,187.33 × 6,614.48
  4. Step 4: Simplify right side
    8,103.02x = 73,998,314.60
  5. Step 5: Solve for x
    x = 73,998,314.60/8,103.02
  6. Step 6: Final answer
    x = 9,132.20

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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.