Home / 9,116.72-13,669.60-3,569.03

Finding the Fourth Proportional to 9,116.72, 13,669.60 and 3,569.03

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Solution

The fourth proportional to 9,116.72, 13,669.60 and 3,569.03 is: 5,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.72 : 13,669.60 = 3,569.03 : x
  2. Step 2: Convert to fraction form
    9,116.72/13,669.60 = 3,569.03/x
  3. Step 3: Cross multiply
    9,116.72x = 13,669.60 × 3,569.03
  4. Step 4: Simplify right side
    9,116.72x = 48,787,212.49
  5. Step 5: Solve for x
    x = 48,787,212.49/9,116.72
  6. Step 6: Final answer
    x = 5,351.40

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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.