Home / 11,258.49-16,876.91-7,561.75

Finding the Fourth Proportional to 11,258.49, 16,876.91 and 7,561.75

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Solution

The fourth proportional to 11,258.49, 16,876.91 and 7,561.75 is: 11,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.49 : 16,876.91 = 7,561.75 : x
  2. Step 2: Convert to fraction form
    11,258.49/16,876.91 = 7,561.75/x
  3. Step 3: Cross multiply
    11,258.49x = 16,876.91 × 7,561.75
  4. Step 4: Simplify right side
    11,258.49x = 127,618,974.19
  5. Step 5: Solve for x
    x = 127,618,974.19/11,258.49
  6. Step 6: Final answer
    x = 11,335.35

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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.