Home / 12,360.12-18,552.51-5,791.02

Finding the Fourth Proportional to 12,360.12, 18,552.51 and 5,791.02

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Solution

The fourth proportional to 12,360.12, 18,552.51 and 5,791.02 is: 8,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.12 : 18,552.51 = 5,791.02 : x
  2. Step 2: Convert to fraction form
    12,360.12/18,552.51 = 5,791.02/x
  3. Step 3: Cross multiply
    12,360.12x = 18,552.51 × 5,791.02
  4. Step 4: Simplify right side
    12,360.12x = 107,437,956.46
  5. Step 5: Solve for x
    x = 107,437,956.46/12,360.12
  6. Step 6: Final answer
    x = 8,692.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.