Home / 11,051.22-15,248.57-7,692.81

Finding the Fourth Proportional to 11,051.22, 15,248.57 and 7,692.81

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Solution

The fourth proportional to 11,051.22, 15,248.57 and 7,692.81 is: 10,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.22 : 15,248.57 = 7,692.81 : x
  2. Step 2: Convert to fraction form
    11,051.22/15,248.57 = 7,692.81/x
  3. Step 3: Cross multiply
    11,051.22x = 15,248.57 × 7,692.81
  4. Step 4: Simplify right side
    11,051.22x = 117,304,351.78
  5. Step 5: Solve for x
    x = 117,304,351.78/11,051.22
  6. Step 6: Final answer
    x = 10,614.61

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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.