Home / 11,242.91-16,861.16-3,345.11

Finding the Fourth Proportional to 11,242.91, 16,861.16 and 3,345.11

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Solution

The fourth proportional to 11,242.91, 16,861.16 and 3,345.11 is: 5,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.91 : 16,861.16 = 3,345.11 : x
  2. Step 2: Convert to fraction form
    11,242.91/16,861.16 = 3,345.11/x
  3. Step 3: Cross multiply
    11,242.91x = 16,861.16 × 3,345.11
  4. Step 4: Simplify right side
    11,242.91x = 56,402,333.90
  5. Step 5: Solve for x
    x = 56,402,333.90/11,242.91
  6. Step 6: Final answer
    x = 5,016.70

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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.