Home / 11,916.75-17,869.32-3,595.20

Finding the Fourth Proportional to 11,916.75, 17,869.32 and 3,595.20

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Solution

The fourth proportional to 11,916.75, 17,869.32 and 3,595.20 is: 5,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.75 : 17,869.32 = 3,595.20 : x
  2. Step 2: Convert to fraction form
    11,916.75/17,869.32 = 3,595.20/x
  3. Step 3: Cross multiply
    11,916.75x = 17,869.32 × 3,595.20
  4. Step 4: Simplify right side
    11,916.75x = 64,243,779.26
  5. Step 5: Solve for x
    x = 64,243,779.26/11,916.75
  6. Step 6: Final answer
    x = 5,391.05

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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.