Home / 11,155.16-16,733.79-3,761.88

Finding the Fourth Proportional to 11,155.16, 16,733.79 and 3,761.88

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Solution

The fourth proportional to 11,155.16, 16,733.79 and 3,761.88 is: 5,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.16 : 16,733.79 = 3,761.88 : x
  2. Step 2: Convert to fraction form
    11,155.16/16,733.79 = 3,761.88/x
  3. Step 3: Cross multiply
    11,155.16x = 16,733.79 × 3,761.88
  4. Step 4: Simplify right side
    11,155.16x = 62,950,509.93
  5. Step 5: Solve for x
    x = 62,950,509.93/11,155.16
  6. Step 6: Final answer
    x = 5,643.18

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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.