Home / 11,195.08-15,447.58-6,717.88

Finding the Fourth Proportional to 11,195.08, 15,447.58 and 6,717.88

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Solution

The fourth proportional to 11,195.08, 15,447.58 and 6,717.88 is: 9,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.08 : 15,447.58 = 6,717.88 : x
  2. Step 2: Convert to fraction form
    11,195.08/15,447.58 = 6,717.88/x
  3. Step 3: Cross multiply
    11,195.08x = 15,447.58 × 6,717.88
  4. Step 4: Simplify right side
    11,195.08x = 103,774,988.73
  5. Step 5: Solve for x
    x = 103,774,988.73/11,195.08
  6. Step 6: Final answer
    x = 9,269.70

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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.