Home / 11,916.26-17,875.60-4,125.04

Finding the Fourth Proportional to 11,916.26, 17,875.60 and 4,125.04

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Solution

The fourth proportional to 11,916.26, 17,875.60 and 4,125.04 is: 6,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.26 : 17,875.60 = 4,125.04 : x
  2. Step 2: Convert to fraction form
    11,916.26/17,875.60 = 4,125.04/x
  3. Step 3: Cross multiply
    11,916.26x = 17,875.60 × 4,125.04
  4. Step 4: Simplify right side
    11,916.26x = 73,737,565.02
  5. Step 5: Solve for x
    x = 73,737,565.02/11,916.26
  6. Step 6: Final answer
    x = 6,187.98

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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.