Home / 10,702.72-14,768.40-6,227.92

Finding the Fourth Proportional to 10,702.72, 14,768.40 and 6,227.92

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Solution

The fourth proportional to 10,702.72, 14,768.40 and 6,227.92 is: 8,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.72 : 14,768.40 = 6,227.92 : x
  2. Step 2: Convert to fraction form
    10,702.72/14,768.40 = 6,227.92/x
  3. Step 3: Cross multiply
    10,702.72x = 14,768.40 × 6,227.92
  4. Step 4: Simplify right side
    10,702.72x = 91,976,413.73
  5. Step 5: Solve for x
    x = 91,976,413.73/10,702.72
  6. Step 6: Final answer
    x = 8,593.74

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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.