Home / 11,708.01-16,151.54-6,991.92

Finding the Fourth Proportional to 11,708.01, 16,151.54 and 6,991.92

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Solution

The fourth proportional to 11,708.01, 16,151.54 and 6,991.92 is: 9,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.01 : 16,151.54 = 6,991.92 : x
  2. Step 2: Convert to fraction form
    11,708.01/16,151.54 = 6,991.92/x
  3. Step 3: Cross multiply
    11,708.01x = 16,151.54 × 6,991.92
  4. Step 4: Simplify right side
    11,708.01x = 112,930,240.60
  5. Step 5: Solve for x
    x = 112,930,240.60/11,708.01
  6. Step 6: Final answer
    x = 9,645.55

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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.