Home / 12,492.92-18,736.50-4,702.52

Finding the Fourth Proportional to 12,492.92, 18,736.50 and 4,702.52

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Solution

The fourth proportional to 12,492.92, 18,736.50 and 4,702.52 is: 7,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.92 : 18,736.50 = 4,702.52 : x
  2. Step 2: Convert to fraction form
    12,492.92/18,736.50 = 4,702.52/x
  3. Step 3: Cross multiply
    12,492.92x = 18,736.50 × 4,702.52
  4. Step 4: Simplify right side
    12,492.92x = 88,108,765.98
  5. Step 5: Solve for x
    x = 88,108,765.98/12,492.92
  6. Step 6: Final answer
    x = 7,052.70

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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.