Home / 7,866.12-11,788.18-5,916.04

Finding the Fourth Proportional to 7,866.12, 11,788.18 and 5,916.04

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Solution

The fourth proportional to 7,866.12, 11,788.18 and 5,916.04 is: 8,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.12 : 11,788.18 = 5,916.04 : x
  2. Step 2: Convert to fraction form
    7,866.12/11,788.18 = 5,916.04/x
  3. Step 3: Cross multiply
    7,866.12x = 11,788.18 × 5,916.04
  4. Step 4: Simplify right side
    7,866.12x = 69,739,344.41
  5. Step 5: Solve for x
    x = 69,739,344.41/7,866.12
  6. Step 6: Final answer
    x = 8,865.79

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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.