Home / 9,278.08-13,916.96-3,122.08

Finding the Fourth Proportional to 9,278.08, 13,916.96 and 3,122.08

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Solution

The fourth proportional to 9,278.08, 13,916.96 and 3,122.08 is: 4,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.08 : 13,916.96 = 3,122.08 : x
  2. Step 2: Convert to fraction form
    9,278.08/13,916.96 = 3,122.08/x
  3. Step 3: Cross multiply
    9,278.08x = 13,916.96 × 3,122.08
  4. Step 4: Simplify right side
    9,278.08x = 43,449,862.48
  5. Step 5: Solve for x
    x = 43,449,862.48/9,278.08
  6. Step 6: Final answer
    x = 4,683.07

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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.