Home / 11,625.54-16,043.18-6,320.31

Finding the Fourth Proportional to 11,625.54, 16,043.18 and 6,320.31

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Solution

The fourth proportional to 11,625.54, 16,043.18 and 6,320.31 is: 8,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.54 : 16,043.18 = 6,320.31 : x
  2. Step 2: Convert to fraction form
    11,625.54/16,043.18 = 6,320.31/x
  3. Step 3: Cross multiply
    11,625.54x = 16,043.18 × 6,320.31
  4. Step 4: Simplify right side
    11,625.54x = 101,397,839.38
  5. Step 5: Solve for x
    x = 101,397,839.38/11,625.54
  6. Step 6: Final answer
    x = 8,721.99

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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.