Home / 11,134.78-16,706.93-4,899.40

Finding the Fourth Proportional to 11,134.78, 16,706.93 and 4,899.40

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Solution

The fourth proportional to 11,134.78, 16,706.93 and 4,899.40 is: 7,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.78 : 16,706.93 = 4,899.40 : x
  2. Step 2: Convert to fraction form
    11,134.78/16,706.93 = 4,899.40/x
  3. Step 3: Cross multiply
    11,134.78x = 16,706.93 × 4,899.40
  4. Step 4: Simplify right side
    11,134.78x = 81,853,866.58
  5. Step 5: Solve for x
    x = 81,853,866.58/11,134.78
  6. Step 6: Final answer
    x = 7,351.19

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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.