Home / 10,574.24-15,861.54-2,782.76

Finding the Fourth Proportional to 10,574.24, 15,861.54 and 2,782.76

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Solution

The fourth proportional to 10,574.24, 15,861.54 and 2,782.76 is: 4,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.24 : 15,861.54 = 2,782.76 : x
  2. Step 2: Convert to fraction form
    10,574.24/15,861.54 = 2,782.76/x
  3. Step 3: Cross multiply
    10,574.24x = 15,861.54 × 2,782.76
  4. Step 4: Simplify right side
    10,574.24x = 44,138,859.05
  5. Step 5: Solve for x
    x = 44,138,859.05/10,574.24
  6. Step 6: Final answer
    x = 4,174.19

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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.