Home / 11,333.32-16,999.98-3,542.20

Finding the Fourth Proportional to 11,333.32, 16,999.98 and 3,542.20

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Solution

The fourth proportional to 11,333.32, 16,999.98 and 3,542.20 is: 5,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.32 : 16,999.98 = 3,542.20 : x
  2. Step 2: Convert to fraction form
    11,333.32/16,999.98 = 3,542.20/x
  3. Step 3: Cross multiply
    11,333.32x = 16,999.98 × 3,542.20
  4. Step 4: Simplify right side
    11,333.32x = 60,217,329.16
  5. Step 5: Solve for x
    x = 60,217,329.16/11,333.32
  6. Step 6: Final answer
    x = 5,313.30

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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.