Home / 11,625.10-16,042.56-6,319.96

Finding the Fourth Proportional to 11,625.10, 16,042.56 and 6,319.96

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Solution

The fourth proportional to 11,625.10, 16,042.56 and 6,319.96 is: 8,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.10 : 16,042.56 = 6,319.96 : x
  2. Step 2: Convert to fraction form
    11,625.10/16,042.56 = 6,319.96/x
  3. Step 3: Cross multiply
    11,625.10x = 16,042.56 × 6,319.96
  4. Step 4: Simplify right side
    11,625.10x = 101,388,337.50
  5. Step 5: Solve for x
    x = 101,388,337.50/11,625.10
  6. Step 6: Final answer
    x = 8,721.50

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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.