Home / 12,359.52-17,041.75-9,003.85

Finding the Fourth Proportional to 12,359.52, 17,041.75 and 9,003.85

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Solution

The fourth proportional to 12,359.52, 17,041.75 and 9,003.85 is: 12,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.52 : 17,041.75 = 9,003.85 : x
  2. Step 2: Convert to fraction form
    12,359.52/17,041.75 = 9,003.85/x
  3. Step 3: Cross multiply
    12,359.52x = 17,041.75 × 9,003.85
  4. Step 4: Simplify right side
    12,359.52x = 153,441,360.74
  5. Step 5: Solve for x
    x = 153,441,360.74/12,359.52
  6. Step 6: Final answer
    x = 12,414.83

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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.