Home / 11,068.74-16,605.53-3,278.16

Finding the Fourth Proportional to 11,068.74, 16,605.53 and 3,278.16

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Solution

The fourth proportional to 11,068.74, 16,605.53 and 3,278.16 is: 4,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.74 : 16,605.53 = 3,278.16 : x
  2. Step 2: Convert to fraction form
    11,068.74/16,605.53 = 3,278.16/x
  3. Step 3: Cross multiply
    11,068.74x = 16,605.53 × 3,278.16
  4. Step 4: Simplify right side
    11,068.74x = 54,435,501.20
  5. Step 5: Solve for x
    x = 54,435,501.20/11,068.74
  6. Step 6: Final answer
    x = 4,917.95

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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.