Home / 8,073.48-12,111.12-2,229.96

Finding the Fourth Proportional to 8,073.48, 12,111.12 and 2,229.96

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Solution

The fourth proportional to 8,073.48, 12,111.12 and 2,229.96 is: 3,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.48 : 12,111.12 = 2,229.96 : x
  2. Step 2: Convert to fraction form
    8,073.48/12,111.12 = 2,229.96/x
  3. Step 3: Cross multiply
    8,073.48x = 12,111.12 × 2,229.96
  4. Step 4: Simplify right side
    8,073.48x = 27,007,313.16
  5. Step 5: Solve for x
    x = 27,007,313.16/8,073.48
  6. Step 6: Final answer
    x = 3,345.19

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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.