Home / 12,263.12-18,396.52-5,689.98

Finding the Fourth Proportional to 12,263.12, 18,396.52 and 5,689.98

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Solution

The fourth proportional to 12,263.12, 18,396.52 and 5,689.98 is: 8,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.12 : 18,396.52 = 5,689.98 : x
  2. Step 2: Convert to fraction form
    12,263.12/18,396.52 = 5,689.98/x
  3. Step 3: Cross multiply
    12,263.12x = 18,396.52 × 5,689.98
  4. Step 4: Simplify right side
    12,263.12x = 104,675,830.87
  5. Step 5: Solve for x
    x = 104,675,830.87/12,263.12
  6. Step 6: Final answer
    x = 8,535.82

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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.