Home / 8,295.30-12,414.24-5,131.44

Finding the Fourth Proportional to 8,295.30, 12,414.24 and 5,131.44

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Solution

The fourth proportional to 8,295.30, 12,414.24 and 5,131.44 is: 7,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.30 : 12,414.24 = 5,131.44 : x
  2. Step 2: Convert to fraction form
    8,295.30/12,414.24 = 5,131.44/x
  3. Step 3: Cross multiply
    8,295.30x = 12,414.24 × 5,131.44
  4. Step 4: Simplify right side
    8,295.30x = 63,702,927.71
  5. Step 5: Solve for x
    x = 63,702,927.71/8,295.30
  6. Step 6: Final answer
    x = 7,679.40

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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.