Home / 9,436.80-13,021.92-5,244.24

Finding the Fourth Proportional to 9,436.80, 13,021.92 and 5,244.24

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Solution

The fourth proportional to 9,436.80, 13,021.92 and 5,244.24 is: 7,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.80 : 13,021.92 = 5,244.24 : x
  2. Step 2: Convert to fraction form
    9,436.80/13,021.92 = 5,244.24/x
  3. Step 3: Cross multiply
    9,436.80x = 13,021.92 × 5,244.24
  4. Step 4: Simplify right side
    9,436.80x = 68,290,073.74
  5. Step 5: Solve for x
    x = 68,290,073.74/9,436.80
  6. Step 6: Final answer
    x = 7,236.57

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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.