Home / 12,066.71-16,652.39-6,761.41

Finding the Fourth Proportional to 12,066.71, 16,652.39 and 6,761.41

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Solution

The fourth proportional to 12,066.71, 16,652.39 and 6,761.41 is: 9,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.71 : 16,652.39 = 6,761.41 : x
  2. Step 2: Convert to fraction form
    12,066.71/16,652.39 = 6,761.41/x
  3. Step 3: Cross multiply
    12,066.71x = 16,652.39 × 6,761.41
  4. Step 4: Simplify right side
    12,066.71x = 112,593,636.27
  5. Step 5: Solve for x
    x = 112,593,636.27/12,066.71
  6. Step 6: Final answer
    x = 9,330.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.