Home / 9,808.11-13,535.19-5,331.85

Finding the Fourth Proportional to 9,808.11, 13,535.19 and 5,331.85

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Solution

The fourth proportional to 9,808.11, 13,535.19 and 5,331.85 is: 7,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.11 : 13,535.19 = 5,331.85 : x
  2. Step 2: Convert to fraction form
    9,808.11/13,535.19 = 5,331.85/x
  3. Step 3: Cross multiply
    9,808.11x = 13,535.19 × 5,331.85
  4. Step 4: Simplify right side
    9,808.11x = 72,167,568.96
  5. Step 5: Solve for x
    x = 72,167,568.96/9,808.11
  6. Step 6: Final answer
    x = 7,357.95

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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.