Home / 11,112.60-16,669.79-3,717.10

Finding the Fourth Proportional to 11,112.60, 16,669.79 and 3,717.10

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Solution

The fourth proportional to 11,112.60, 16,669.79 and 3,717.10 is: 5,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.60 : 16,669.79 = 3,717.10 : x
  2. Step 2: Convert to fraction form
    11,112.60/16,669.79 = 3,717.10/x
  3. Step 3: Cross multiply
    11,112.60x = 16,669.79 × 3,717.10
  4. Step 4: Simplify right side
    11,112.60x = 61,963,276.41
  5. Step 5: Solve for x
    x = 61,963,276.41/11,112.60
  6. Step 6: Final answer
    x = 5,575.95

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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.