Home / 12,301.48-16,976.34-6,996.88

Finding the Fourth Proportional to 12,301.48, 16,976.34 and 6,996.88

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Solution

The fourth proportional to 12,301.48, 16,976.34 and 6,996.88 is: 9,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.48 : 16,976.34 = 6,996.88 : x
  2. Step 2: Convert to fraction form
    12,301.48/16,976.34 = 6,996.88/x
  3. Step 3: Cross multiply
    12,301.48x = 16,976.34 × 6,996.88
  4. Step 4: Simplify right side
    12,301.48x = 118,781,413.82
  5. Step 5: Solve for x
    x = 118,781,413.82/12,301.48
  6. Step 6: Final answer
    x = 9,655.86

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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.