Home / 11,266.80-15,549.11-6,550.75

Finding the Fourth Proportional to 11,266.80, 15,549.11 and 6,550.75

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Solution

The fourth proportional to 11,266.80, 15,549.11 and 6,550.75 is: 9,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.80 : 15,549.11 = 6,550.75 : x
  2. Step 2: Convert to fraction form
    11,266.80/15,549.11 = 6,550.75/x
  3. Step 3: Cross multiply
    11,266.80x = 15,549.11 × 6,550.75
  4. Step 4: Simplify right side
    11,266.80x = 101,858,332.33
  5. Step 5: Solve for x
    x = 101,858,332.33/11,266.80
  6. Step 6: Final answer
    x = 9,040.57

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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.