Home / 9,436.44-13,020.84-5,456.80

Finding the Fourth Proportional to 9,436.44, 13,020.84 and 5,456.80

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Solution

The fourth proportional to 9,436.44, 13,020.84 and 5,456.80 is: 7,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.44 : 13,020.84 = 5,456.80 : x
  2. Step 2: Convert to fraction form
    9,436.44/13,020.84 = 5,456.80/x
  3. Step 3: Cross multiply
    9,436.44x = 13,020.84 × 5,456.80
  4. Step 4: Simplify right side
    9,436.44x = 71,052,119.71
  5. Step 5: Solve for x
    x = 71,052,119.71/9,436.44
  6. Step 6: Final answer
    x = 7,529.55

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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.