Home / 11,586.89-17,403.60-6,916.02

Finding the Fourth Proportional to 11,586.89, 17,403.60 and 6,916.02

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Solution

The fourth proportional to 11,586.89, 17,403.60 and 6,916.02 is: 10,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.89 : 17,403.60 = 6,916.02 : x
  2. Step 2: Convert to fraction form
    11,586.89/17,403.60 = 6,916.02/x
  3. Step 3: Cross multiply
    11,586.89x = 17,403.60 × 6,916.02
  4. Step 4: Simplify right side
    11,586.89x = 120,363,645.67
  5. Step 5: Solve for x
    x = 120,363,645.67/11,586.89
  6. Step 6: Final answer
    x = 10,387.92

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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.