Home / 8,610.95-12,916.75-2,371.45

Finding the Fourth Proportional to 8,610.95, 12,916.75 and 2,371.45

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Solution

The fourth proportional to 8,610.95, 12,916.75 and 2,371.45 is: 3,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.95 : 12,916.75 = 2,371.45 : x
  2. Step 2: Convert to fraction form
    8,610.95/12,916.75 = 2,371.45/x
  3. Step 3: Cross multiply
    8,610.95x = 12,916.75 × 2,371.45
  4. Step 4: Simplify right side
    8,610.95x = 30,631,388.57
  5. Step 5: Solve for x
    x = 30,631,388.57/8,610.95
  6. Step 6: Final answer
    x = 3,557.26

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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.