Home / 8,068.93-12,104.16-2,145.79

Finding the Fourth Proportional to 8,068.93, 12,104.16 and 2,145.79

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Solution

The fourth proportional to 8,068.93, 12,104.16 and 2,145.79 is: 3,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.93 : 12,104.16 = 2,145.79 : x
  2. Step 2: Convert to fraction form
    8,068.93/12,104.16 = 2,145.79/x
  3. Step 3: Cross multiply
    8,068.93x = 12,104.16 × 2,145.79
  4. Step 4: Simplify right side
    8,068.93x = 25,972,985.49
  5. Step 5: Solve for x
    x = 25,972,985.49/8,068.93
  6. Step 6: Final answer
    x = 3,218.89

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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.