Home / 8,316.71-12,471.31-2,392.25

Finding the Fourth Proportional to 8,316.71, 12,471.31 and 2,392.25

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Solution

The fourth proportional to 8,316.71, 12,471.31 and 2,392.25 is: 3,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.71 : 12,471.31 = 2,392.25 : x
  2. Step 2: Convert to fraction form
    8,316.71/12,471.31 = 2,392.25/x
  3. Step 3: Cross multiply
    8,316.71x = 12,471.31 × 2,392.25
  4. Step 4: Simplify right side
    8,316.71x = 29,834,431.98
  5. Step 5: Solve for x
    x = 29,834,431.98/8,316.71
  6. Step 6: Final answer
    x = 3,587.29

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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.