Home / 34,724.24-52,086.34-8,428.96

Finding the Fourth Proportional to 34,724.24, 52,086.34 and 8,428.96

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Solution

The fourth proportional to 34,724.24, 52,086.34 and 8,428.96 is: 12,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.24 : 52,086.34 = 8,428.96 : x
  2. Step 2: Convert to fraction form
    34,724.24/52,086.34 = 8,428.96/x
  3. Step 3: Cross multiply
    34,724.24x = 52,086.34 × 8,428.96
  4. Step 4: Simplify right side
    34,724.24x = 439,033,752.05
  5. Step 5: Solve for x
    x = 439,033,752.05/34,724.24
  6. Step 6: Final answer
    x = 12,643.44

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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.