Home / 10,952.39-15,121.13-8,692.96

Finding the Fourth Proportional to 10,952.39, 15,121.13 and 8,692.96

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Solution

The fourth proportional to 10,952.39, 15,121.13 and 8,692.96 is: 12,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.39 : 15,121.13 = 8,692.96 : x
  2. Step 2: Convert to fraction form
    10,952.39/15,121.13 = 8,692.96/x
  3. Step 3: Cross multiply
    10,952.39x = 15,121.13 × 8,692.96
  4. Step 4: Simplify right side
    10,952.39x = 131,447,378.24
  5. Step 5: Solve for x
    x = 131,447,378.24/10,952.39
  6. Step 6: Final answer
    x = 12,001.71

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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.