Home / 10,664.52-15,994.62-2,871.51

Finding the Fourth Proportional to 10,664.52, 15,994.62 and 2,871.51

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Solution

The fourth proportional to 10,664.52, 15,994.62 and 2,871.51 is: 4,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.52 : 15,994.62 = 2,871.51 : x
  2. Step 2: Convert to fraction form
    10,664.52/15,994.62 = 2,871.51/x
  3. Step 3: Cross multiply
    10,664.52x = 15,994.62 × 2,871.51
  4. Step 4: Simplify right side
    10,664.52x = 45,928,711.28
  5. Step 5: Solve for x
    x = 45,928,711.28/10,664.52
  6. Step 6: Final answer
    x = 4,306.68

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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.