Home / 7,862.30-10,849.72-4,325.50

Finding the Fourth Proportional to 7,862.30, 10,849.72 and 4,325.50

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Solution

The fourth proportional to 7,862.30, 10,849.72 and 4,325.50 is: 5,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.30 : 10,849.72 = 4,325.50 : x
  2. Step 2: Convert to fraction form
    7,862.30/10,849.72 = 4,325.50/x
  3. Step 3: Cross multiply
    7,862.30x = 10,849.72 × 4,325.50
  4. Step 4: Simplify right side
    7,862.30x = 46,930,463.86
  5. Step 5: Solve for x
    x = 46,930,463.86/7,862.30
  6. Step 6: Final answer
    x = 5,969.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.