Home / 11,305.09-16,956.99-5,443.93

Finding the Fourth Proportional to 11,305.09, 16,956.99 and 5,443.93

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Solution

The fourth proportional to 11,305.09, 16,956.99 and 5,443.93 is: 8,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.09 : 16,956.99 = 5,443.93 : x
  2. Step 2: Convert to fraction form
    11,305.09/16,956.99 = 5,443.93/x
  3. Step 3: Cross multiply
    11,305.09x = 16,956.99 × 5,443.93
  4. Step 4: Simplify right side
    11,305.09x = 92,312,666.57
  5. Step 5: Solve for x
    x = 92,312,666.57/11,305.09
  6. Step 6: Final answer
    x = 8,165.58

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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.