Home / 11,327.48-16,990.62-3,535.40

Finding the Fourth Proportional to 11,327.48, 16,990.62 and 3,535.40

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Solution

The fourth proportional to 11,327.48, 16,990.62 and 3,535.40 is: 5,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.48 : 16,990.62 = 3,535.40 : x
  2. Step 2: Convert to fraction form
    11,327.48/16,990.62 = 3,535.40/x
  3. Step 3: Cross multiply
    11,327.48x = 16,990.62 × 3,535.40
  4. Step 4: Simplify right side
    11,327.48x = 60,068,637.95
  5. Step 5: Solve for x
    x = 60,068,637.95/11,327.48
  6. Step 6: Final answer
    x = 5,302.91

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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.