Home / 12,339.87-17,029.01-6,674.61

Finding the Fourth Proportional to 12,339.87, 17,029.01 and 6,674.61

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Solution

The fourth proportional to 12,339.87, 17,029.01 and 6,674.61 is: 9,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.87 : 17,029.01 = 6,674.61 : x
  2. Step 2: Convert to fraction form
    12,339.87/17,029.01 = 6,674.61/x
  3. Step 3: Cross multiply
    12,339.87x = 17,029.01 × 6,674.61
  4. Step 4: Simplify right side
    12,339.87x = 113,662,000.44
  5. Step 5: Solve for x
    x = 113,662,000.44/12,339.87
  6. Step 6: Final answer
    x = 9,210.96

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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.