Home / 8,275.71-12,415.62-2,432.31

Finding the Fourth Proportional to 8,275.71, 12,415.62 and 2,432.31

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Solution

The fourth proportional to 8,275.71, 12,415.62 and 2,432.31 is: 3,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.71 : 12,415.62 = 2,432.31 : x
  2. Step 2: Convert to fraction form
    8,275.71/12,415.62 = 2,432.31/x
  3. Step 3: Cross multiply
    8,275.71x = 12,415.62 × 2,432.31
  4. Step 4: Simplify right side
    8,275.71x = 30,198,636.68
  5. Step 5: Solve for x
    x = 30,198,636.68/8,275.71
  6. Step 6: Final answer
    x = 3,649.07

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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.