Home / 8,772.06-13,158.74-3,577.94

Finding the Fourth Proportional to 8,772.06, 13,158.74 and 3,577.94

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Solution

The fourth proportional to 8,772.06, 13,158.74 and 3,577.94 is: 5,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.06 : 13,158.74 = 3,577.94 : x
  2. Step 2: Convert to fraction form
    8,772.06/13,158.74 = 3,577.94/x
  3. Step 3: Cross multiply
    8,772.06x = 13,158.74 × 3,577.94
  4. Step 4: Simplify right side
    8,772.06x = 47,081,182.20
  5. Step 5: Solve for x
    x = 47,081,182.20/8,772.06
  6. Step 6: Final answer
    x = 5,367.18

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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.