Home / 8,574.48-12,863.16-2,732.40

Finding the Fourth Proportional to 8,574.48, 12,863.16 and 2,732.40

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Solution

The fourth proportional to 8,574.48, 12,863.16 and 2,732.40 is: 4,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.48 : 12,863.16 = 2,732.40 : x
  2. Step 2: Convert to fraction form
    8,574.48/12,863.16 = 2,732.40/x
  3. Step 3: Cross multiply
    8,574.48x = 12,863.16 × 2,732.40
  4. Step 4: Simplify right side
    8,574.48x = 35,147,298.38
  5. Step 5: Solve for x
    x = 35,147,298.38/8,574.48
  6. Step 6: Final answer
    x = 4,099.06

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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.