Home / 12,099.22-16,702.53-8,072.74

Finding the Fourth Proportional to 12,099.22, 16,702.53 and 8,072.74

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Solution

The fourth proportional to 12,099.22, 16,702.53 and 8,072.74 is: 11,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.22 : 16,702.53 = 8,072.74 : x
  2. Step 2: Convert to fraction form
    12,099.22/16,702.53 = 8,072.74/x
  3. Step 3: Cross multiply
    12,099.22x = 16,702.53 × 8,072.74
  4. Step 4: Simplify right side
    12,099.22x = 134,835,098.52
  5. Step 5: Solve for x
    x = 134,835,098.52/12,099.22
  6. Step 6: Final answer
    x = 11,144.12

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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.