Home / 11,217.49-15,476.67-6,371.46

Finding the Fourth Proportional to 11,217.49, 15,476.67 and 6,371.46

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Solution

The fourth proportional to 11,217.49, 15,476.67 and 6,371.46 is: 8,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.49 : 15,476.67 = 6,371.46 : x
  2. Step 2: Convert to fraction form
    11,217.49/15,476.67 = 6,371.46/x
  3. Step 3: Cross multiply
    11,217.49x = 15,476.67 × 6,371.46
  4. Step 4: Simplify right side
    11,217.49x = 98,608,983.84
  5. Step 5: Solve for x
    x = 98,608,983.84/11,217.49
  6. Step 6: Final answer
    x = 8,790.65

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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.