Home / 11,625.50-16,042.52-6,320.28

Finding the Fourth Proportional to 11,625.50, 16,042.52 and 6,320.28

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Solution

The fourth proportional to 11,625.50, 16,042.52 and 6,320.28 is: 8,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.50 : 16,042.52 = 6,320.28 : x
  2. Step 2: Convert to fraction form
    11,625.50/16,042.52 = 6,320.28/x
  3. Step 3: Cross multiply
    11,625.50x = 16,042.52 × 6,320.28
  4. Step 4: Simplify right side
    11,625.50x = 101,393,218.31
  5. Step 5: Solve for x
    x = 101,393,218.31/11,625.50
  6. Step 6: Final answer
    x = 8,721.62

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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.