Home / 8,717.28-13,074.63-2,873.13

Finding the Fourth Proportional to 8,717.28, 13,074.63 and 2,873.13

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Solution

The fourth proportional to 8,717.28, 13,074.63 and 2,873.13 is: 4,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.28 : 13,074.63 = 2,873.13 : x
  2. Step 2: Convert to fraction form
    8,717.28/13,074.63 = 2,873.13/x
  3. Step 3: Cross multiply
    8,717.28x = 13,074.63 × 2,873.13
  4. Step 4: Simplify right side
    8,717.28x = 37,565,111.69
  5. Step 5: Solve for x
    x = 37,565,111.69/8,717.28
  6. Step 6: Final answer
    x = 4,309.27

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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.