Home / 9,116.91-13,676.00-2,877.21

Finding the Fourth Proportional to 9,116.91, 13,676.00 and 2,877.21

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Solution

The fourth proportional to 9,116.91, 13,676.00 and 2,877.21 is: 4,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.91 : 13,676.00 = 2,877.21 : x
  2. Step 2: Convert to fraction form
    9,116.91/13,676.00 = 2,877.21/x
  3. Step 3: Cross multiply
    9,116.91x = 13,676.00 × 2,877.21
  4. Step 4: Simplify right side
    9,116.91x = 39,348,709.57
  5. Step 5: Solve for x
    x = 39,348,709.57/9,116.91
  6. Step 6: Final answer
    x = 4,316.01

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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.