Home / 8,717.32-13,075.98-2,873.08

Finding the Fourth Proportional to 8,717.32, 13,075.98 and 2,873.08

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Solution

The fourth proportional to 8,717.32, 13,075.98 and 2,873.08 is: 4,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.32 : 13,075.98 = 2,873.08 : x
  2. Step 2: Convert to fraction form
    8,717.32/13,075.98 = 2,873.08/x
  3. Step 3: Cross multiply
    8,717.32x = 13,075.98 × 2,873.08
  4. Step 4: Simplify right side
    8,717.32x = 37,568,336.62
  5. Step 5: Solve for x
    x = 37,568,336.62/8,717.32
  6. Step 6: Final answer
    x = 4,309.62

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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.