Home / 11,740.38-16,206.80-7,023.76

Finding the Fourth Proportional to 11,740.38, 16,206.80 and 7,023.76

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Solution

The fourth proportional to 11,740.38, 16,206.80 and 7,023.76 is: 9,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.38 : 16,206.80 = 7,023.76 : x
  2. Step 2: Convert to fraction form
    11,740.38/16,206.80 = 7,023.76/x
  3. Step 3: Cross multiply
    11,740.38x = 16,206.80 × 7,023.76
  4. Step 4: Simplify right side
    11,740.38x = 113,832,673.57
  5. Step 5: Solve for x
    x = 113,832,673.57/11,740.38
  6. Step 6: Final answer
    x = 9,695.83

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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.