Home / 11,331.15-16,999.16-4,753.55

Finding the Fourth Proportional to 11,331.15, 16,999.16 and 4,753.55

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Solution

The fourth proportional to 11,331.15, 16,999.16 and 4,753.55 is: 7,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.15 : 16,999.16 = 4,753.55 : x
  2. Step 2: Convert to fraction form
    11,331.15/16,999.16 = 4,753.55/x
  3. Step 3: Cross multiply
    11,331.15x = 16,999.16 × 4,753.55
  4. Step 4: Simplify right side
    11,331.15x = 80,806,248.25
  5. Step 5: Solve for x
    x = 80,806,248.25/11,331.15
  6. Step 6: Final answer
    x = 7,131.34

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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.