Home / 7,848.11-11,767.73-2,581.70

Finding the Fourth Proportional to 7,848.11, 11,767.73 and 2,581.70

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Solution

The fourth proportional to 7,848.11, 11,767.73 and 2,581.70 is: 3,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.11 : 11,767.73 = 2,581.70 : x
  2. Step 2: Convert to fraction form
    7,848.11/11,767.73 = 2,581.70/x
  3. Step 3: Cross multiply
    7,848.11x = 11,767.73 × 2,581.70
  4. Step 4: Simplify right side
    7,848.11x = 30,380,686.48
  5. Step 5: Solve for x
    x = 30,380,686.48/7,848.11
  6. Step 6: Final answer
    x = 3,871.08

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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.