Home / 12,252.17-18,346.95-8,079.57

Finding the Fourth Proportional to 12,252.17, 18,346.95 and 8,079.57

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Solution

The fourth proportional to 12,252.17, 18,346.95 and 8,079.57 is: 12,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.17 : 18,346.95 = 8,079.57 : x
  2. Step 2: Convert to fraction form
    12,252.17/18,346.95 = 8,079.57/x
  3. Step 3: Cross multiply
    12,252.17x = 18,346.95 × 8,079.57
  4. Step 4: Simplify right side
    12,252.17x = 148,235,466.81
  5. Step 5: Solve for x
    x = 148,235,466.81/12,252.17
  6. Step 6: Final answer
    x = 12,098.72

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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.