Home / 11,142.50-16,713.75-3,351.32

Finding the Fourth Proportional to 11,142.50, 16,713.75 and 3,351.32

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Solution

The fourth proportional to 11,142.50, 16,713.75 and 3,351.32 is: 5,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.50 : 16,713.75 = 3,351.32 : x
  2. Step 2: Convert to fraction form
    11,142.50/16,713.75 = 3,351.32/x
  3. Step 3: Cross multiply
    11,142.50x = 16,713.75 × 3,351.32
  4. Step 4: Simplify right side
    11,142.50x = 56,013,124.65
  5. Step 5: Solve for x
    x = 56,013,124.65/11,142.50
  6. Step 6: Final answer
    x = 5,026.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.