Home / 11,693.89-16,132.17-6,976.45

Finding the Fourth Proportional to 11,693.89, 16,132.17 and 6,976.45

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Solution

The fourth proportional to 11,693.89, 16,132.17 and 6,976.45 is: 9,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.89 : 16,132.17 = 6,976.45 : x
  2. Step 2: Convert to fraction form
    11,693.89/16,132.17 = 6,976.45/x
  3. Step 3: Cross multiply
    11,693.89x = 16,132.17 × 6,976.45
  4. Step 4: Simplify right side
    11,693.89x = 112,545,277.40
  5. Step 5: Solve for x
    x = 112,545,277.40/11,693.89
  6. Step 6: Final answer
    x = 9,624.28

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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.