Home / 11,722.31-16,177.17-6,417.13

Finding the Fourth Proportional to 11,722.31, 16,177.17 and 6,417.13

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Solution

The fourth proportional to 11,722.31, 16,177.17 and 6,417.13 is: 8,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.31 : 16,177.17 = 6,417.13 : x
  2. Step 2: Convert to fraction form
    11,722.31/16,177.17 = 6,417.13/x
  3. Step 3: Cross multiply
    11,722.31x = 16,177.17 × 6,417.13
  4. Step 4: Simplify right side
    11,722.31x = 103,810,922.04
  5. Step 5: Solve for x
    x = 103,810,922.04/11,722.31
  6. Step 6: Final answer
    x = 8,855.84

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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.