Home / 10,885.06-16,326.37-2,988.17

Finding the Fourth Proportional to 10,885.06, 16,326.37 and 2,988.17

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Solution

The fourth proportional to 10,885.06, 16,326.37 and 2,988.17 is: 4,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.06 : 16,326.37 = 2,988.17 : x
  2. Step 2: Convert to fraction form
    10,885.06/16,326.37 = 2,988.17/x
  3. Step 3: Cross multiply
    10,885.06x = 16,326.37 × 2,988.17
  4. Step 4: Simplify right side
    10,885.06x = 48,785,969.04
  5. Step 5: Solve for x
    x = 48,785,969.04/10,885.06
  6. Step 6: Final answer
    x = 4,481.92

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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.