Home / 8,184.71-12,275.88-2,637.39

Finding the Fourth Proportional to 8,184.71, 12,275.88 and 2,637.39

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Solution

The fourth proportional to 8,184.71, 12,275.88 and 2,637.39 is: 3,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.71 : 12,275.88 = 2,637.39 : x
  2. Step 2: Convert to fraction form
    8,184.71/12,275.88 = 2,637.39/x
  3. Step 3: Cross multiply
    8,184.71x = 12,275.88 × 2,637.39
  4. Step 4: Simplify right side
    8,184.71x = 32,376,283.15
  5. Step 5: Solve for x
    x = 32,376,283.15/8,184.71
  6. Step 6: Final answer
    x = 3,955.71

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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.