Home / 8,782.38-13,165.47-4,396.02

Finding the Fourth Proportional to 8,782.38, 13,165.47 and 4,396.02

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Solution

The fourth proportional to 8,782.38, 13,165.47 and 4,396.02 is: 6,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.38 : 13,165.47 = 4,396.02 : x
  2. Step 2: Convert to fraction form
    8,782.38/13,165.47 = 4,396.02/x
  3. Step 3: Cross multiply
    8,782.38x = 13,165.47 × 4,396.02
  4. Step 4: Simplify right side
    8,782.38x = 57,875,669.43
  5. Step 5: Solve for x
    x = 57,875,669.43/8,782.38
  6. Step 6: Final answer
    x = 6,589.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.