Home / 11,286.69-15,575.49-6,251.11

Finding the Fourth Proportional to 11,286.69, 15,575.49 and 6,251.11

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Solution

The fourth proportional to 11,286.69, 15,575.49 and 6,251.11 is: 8,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.69 : 15,575.49 = 6,251.11 : x
  2. Step 2: Convert to fraction form
    11,286.69/15,575.49 = 6,251.11/x
  3. Step 3: Cross multiply
    11,286.69x = 15,575.49 × 6,251.11
  4. Step 4: Simplify right side
    11,286.69x = 97,364,101.29
  5. Step 5: Solve for x
    x = 97,364,101.29/11,286.69
  6. Step 6: Final answer
    x = 8,626.45

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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.