Home / 9,847.90-13,589.70-5,371.54

Finding the Fourth Proportional to 9,847.90, 13,589.70 and 5,371.54

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Solution

The fourth proportional to 9,847.90, 13,589.70 and 5,371.54 is: 7,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.90 : 13,589.70 = 5,371.54 : x
  2. Step 2: Convert to fraction form
    9,847.90/13,589.70 = 5,371.54/x
  3. Step 3: Cross multiply
    9,847.90x = 13,589.70 × 5,371.54
  4. Step 4: Simplify right side
    9,847.90x = 72,997,617.14
  5. Step 5: Solve for x
    x = 72,997,617.14/9,847.90
  6. Step 6: Final answer
    x = 7,412.51

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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.