Home / 12,150.52-18,233.40-6,607.72

Finding the Fourth Proportional to 12,150.52, 18,233.40 and 6,607.72

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Solution

The fourth proportional to 12,150.52, 18,233.40 and 6,607.72 is: 9,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.52 : 18,233.40 = 6,607.72 : x
  2. Step 2: Convert to fraction form
    12,150.52/18,233.40 = 6,607.72/x
  3. Step 3: Cross multiply
    12,150.52x = 18,233.40 × 6,607.72
  4. Step 4: Simplify right side
    12,150.52x = 120,481,201.85
  5. Step 5: Solve for x
    x = 120,481,201.85/12,150.52
  6. Step 6: Final answer
    x = 9,915.72

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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.