Home / 11,211.06-16,833.60-9,578.10

Finding the Fourth Proportional to 11,211.06, 16,833.60 and 9,578.10

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Solution

The fourth proportional to 11,211.06, 16,833.60 and 9,578.10 is: 14,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.06 : 16,833.60 = 9,578.10 : x
  2. Step 2: Convert to fraction form
    11,211.06/16,833.60 = 9,578.10/x
  3. Step 3: Cross multiply
    11,211.06x = 16,833.60 × 9,578.10
  4. Step 4: Simplify right side
    11,211.06x = 161,233,904.16
  5. Step 5: Solve for x
    x = 161,233,904.16/11,211.06
  6. Step 6: Final answer
    x = 14,381.68

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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.