Home / 12,524.68-18,775.95-4,728.03

Finding the Fourth Proportional to 12,524.68, 18,775.95 and 4,728.03

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Solution

The fourth proportional to 12,524.68, 18,775.95 and 4,728.03 is: 7,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.68 : 18,775.95 = 4,728.03 : x
  2. Step 2: Convert to fraction form
    12,524.68/18,775.95 = 4,728.03/x
  3. Step 3: Cross multiply
    12,524.68x = 18,775.95 × 4,728.03
  4. Step 4: Simplify right side
    12,524.68x = 88,773,254.88
  5. Step 5: Solve for x
    x = 88,773,254.88/12,524.68
  6. Step 6: Final answer
    x = 7,087.87

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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.