Home / 11,058.60-16,587.90-4,481.40

Finding the Fourth Proportional to 11,058.60, 16,587.90 and 4,481.40

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Solution

The fourth proportional to 11,058.60, 16,587.90 and 4,481.40 is: 6,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.60 : 16,587.90 = 4,481.40 : x
  2. Step 2: Convert to fraction form
    11,058.60/16,587.90 = 4,481.40/x
  3. Step 3: Cross multiply
    11,058.60x = 16,587.90 × 4,481.40
  4. Step 4: Simplify right side
    11,058.60x = 74,337,015.06
  5. Step 5: Solve for x
    x = 74,337,015.06/11,058.60
  6. Step 6: Final answer
    x = 6,722.10

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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.