Home / 8,073.74-12,111.31-2,230.35

Finding the Fourth Proportional to 8,073.74, 12,111.31 and 2,230.35

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Solution

The fourth proportional to 8,073.74, 12,111.31 and 2,230.35 is: 3,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.74 : 12,111.31 = 2,230.35 : x
  2. Step 2: Convert to fraction form
    8,073.74/12,111.31 = 2,230.35/x
  3. Step 3: Cross multiply
    8,073.74x = 12,111.31 × 2,230.35
  4. Step 4: Simplify right side
    8,073.74x = 27,012,449.11
  5. Step 5: Solve for x
    x = 27,012,449.11/8,073.74
  6. Step 6: Final answer
    x = 3,345.72

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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.