Home / 8,240.40-12,371.62-4,733.92

Finding the Fourth Proportional to 8,240.40, 12,371.62 and 4,733.92

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Solution

The fourth proportional to 8,240.40, 12,371.62 and 4,733.92 is: 7,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.40 : 12,371.62 = 4,733.92 : x
  2. Step 2: Convert to fraction form
    8,240.40/12,371.62 = 4,733.92/x
  3. Step 3: Cross multiply
    8,240.40x = 12,371.62 × 4,733.92
  4. Step 4: Simplify right side
    8,240.40x = 58,566,259.35
  5. Step 5: Solve for x
    x = 58,566,259.35/8,240.40
  6. Step 6: Final answer
    x = 7,107.21

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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.