Home / 10,916.80-15,067.98-6,202.60

Finding the Fourth Proportional to 10,916.80, 15,067.98 and 6,202.60

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Solution

The fourth proportional to 10,916.80, 15,067.98 and 6,202.60 is: 8,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.80 : 15,067.98 = 6,202.60 : x
  2. Step 2: Convert to fraction form
    10,916.80/15,067.98 = 6,202.60/x
  3. Step 3: Cross multiply
    10,916.80x = 15,067.98 × 6,202.60
  4. Step 4: Simplify right side
    10,916.80x = 93,460,652.75
  5. Step 5: Solve for x
    x = 93,460,652.75/10,916.80
  6. Step 6: Final answer
    x = 8,561.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.