Home / 9,487.09-13,092.03-5,238.57

Finding the Fourth Proportional to 9,487.09, 13,092.03 and 5,238.57

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Solution

The fourth proportional to 9,487.09, 13,092.03 and 5,238.57 is: 7,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.09 : 13,092.03 = 5,238.57 : x
  2. Step 2: Convert to fraction form
    9,487.09/13,092.03 = 5,238.57/x
  3. Step 3: Cross multiply
    9,487.09x = 13,092.03 × 5,238.57
  4. Step 4: Simplify right side
    9,487.09x = 68,583,515.60
  5. Step 5: Solve for x
    x = 68,583,515.60/9,487.09
  6. Step 6: Final answer
    x = 7,229.14

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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.