Home / 10,177.60-14,046.06-5,702.80

Finding the Fourth Proportional to 10,177.60, 14,046.06 and 5,702.80

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Solution

The fourth proportional to 10,177.60, 14,046.06 and 5,702.80 is: 7,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.60 : 14,046.06 = 5,702.80 : x
  2. Step 2: Convert to fraction form
    10,177.60/14,046.06 = 5,702.80/x
  3. Step 3: Cross multiply
    10,177.60x = 14,046.06 × 5,702.80
  4. Step 4: Simplify right side
    10,177.60x = 80,101,870.97
  5. Step 5: Solve for x
    x = 80,101,870.97/10,177.60
  6. Step 6: Final answer
    x = 7,870.41

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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.