Home / 11,228.22-15,466.95-8,713.17

Finding the Fourth Proportional to 11,228.22, 15,466.95 and 8,713.17

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Solution

The fourth proportional to 11,228.22, 15,466.95 and 8,713.17 is: 12,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.22 : 15,466.95 = 8,713.17 : x
  2. Step 2: Convert to fraction form
    11,228.22/15,466.95 = 8,713.17/x
  3. Step 3: Cross multiply
    11,228.22x = 15,466.95 × 8,713.17
  4. Step 4: Simplify right side
    11,228.22x = 134,766,164.73
  5. Step 5: Solve for x
    x = 134,766,164.73/11,228.22
  6. Step 6: Final answer
    x = 12,002.45

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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.