Home / 8,177.98-11,264.12-6,285.95

Finding the Fourth Proportional to 8,177.98, 11,264.12 and 6,285.95

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Solution

The fourth proportional to 8,177.98, 11,264.12 and 6,285.95 is: 8,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.98 : 11,264.12 = 6,285.95 : x
  2. Step 2: Convert to fraction form
    8,177.98/11,264.12 = 6,285.95/x
  3. Step 3: Cross multiply
    8,177.98x = 11,264.12 × 6,285.95
  4. Step 4: Simplify right side
    8,177.98x = 70,805,695.11
  5. Step 5: Solve for x
    x = 70,805,695.11/8,177.98
  6. Step 6: Final answer
    x = 8,658.09

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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.