Home / 10,511.97-14,477.22-8,727.18

Finding the Fourth Proportional to 10,511.97, 14,477.22 and 8,727.18

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Solution

The fourth proportional to 10,511.97, 14,477.22 and 8,727.18 is: 12,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.97 : 14,477.22 = 8,727.18 : x
  2. Step 2: Convert to fraction form
    10,511.97/14,477.22 = 8,727.18/x
  3. Step 3: Cross multiply
    10,511.97x = 14,477.22 × 8,727.18
  4. Step 4: Simplify right side
    10,511.97x = 126,345,304.84
  5. Step 5: Solve for x
    x = 126,345,304.84/10,511.97
  6. Step 6: Final answer
    x = 12,019.18

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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.