Home / 12,393.45-18,575.60-6,151.59

Finding the Fourth Proportional to 12,393.45, 18,575.60 and 6,151.59

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Solution

The fourth proportional to 12,393.45, 18,575.60 and 6,151.59 is: 9,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.45 : 18,575.60 = 6,151.59 : x
  2. Step 2: Convert to fraction form
    12,393.45/18,575.60 = 6,151.59/x
  3. Step 3: Cross multiply
    12,393.45x = 18,575.60 × 6,151.59
  4. Step 4: Simplify right side
    12,393.45x = 114,269,444.45
  5. Step 5: Solve for x
    x = 114,269,444.45/12,393.45
  6. Step 6: Final answer
    x = 9,220.15

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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.