Home / 8,833.10-12,177.66-6,670.20

Finding the Fourth Proportional to 8,833.10, 12,177.66 and 6,670.20

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Solution

The fourth proportional to 8,833.10, 12,177.66 and 6,670.20 is: 9,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.10 : 12,177.66 = 6,670.20 : x
  2. Step 2: Convert to fraction form
    8,833.10/12,177.66 = 6,670.20/x
  3. Step 3: Cross multiply
    8,833.10x = 12,177.66 × 6,670.20
  4. Step 4: Simplify right side
    8,833.10x = 81,227,427.73
  5. Step 5: Solve for x
    x = 81,227,427.73/8,833.10
  6. Step 6: Final answer
    x = 9,195.80

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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.