Home / 8,774.22-13,159.90-2,930.82

Finding the Fourth Proportional to 8,774.22, 13,159.90 and 2,930.82

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Solution

The fourth proportional to 8,774.22, 13,159.90 and 2,930.82 is: 4,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.22 : 13,159.90 = 2,930.82 : x
  2. Step 2: Convert to fraction form
    8,774.22/13,159.90 = 2,930.82/x
  3. Step 3: Cross multiply
    8,774.22x = 13,159.90 × 2,930.82
  4. Step 4: Simplify right side
    8,774.22x = 38,569,252.43
  5. Step 5: Solve for x
    x = 38,569,252.43/8,774.22
  6. Step 6: Final answer
    x = 4,395.75

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1.5x scale

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.