Home / 9,847.38-13,589.50-5,371.12

Finding the Fourth Proportional to 9,847.38, 13,589.50 and 5,371.12

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Solution

The fourth proportional to 9,847.38, 13,589.50 and 5,371.12 is: 7,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.38 : 13,589.50 = 5,371.12 : x
  2. Step 2: Convert to fraction form
    9,847.38/13,589.50 = 5,371.12/x
  3. Step 3: Cross multiply
    9,847.38x = 13,589.50 × 5,371.12
  4. Step 4: Simplify right side
    9,847.38x = 72,990,835.24
  5. Step 5: Solve for x
    x = 72,990,835.24/9,847.38
  6. Step 6: Final answer
    x = 7,412.21

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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.