Home / 7,620.24-10,539.12-6,834

Finding the Fourth Proportional to 7,620.24, 10,539.12 and 6,834

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Solution

The fourth proportional to 7,620.24, 10,539.12 and 6,834 is: 9,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.24 : 10,539.12 = 6,834 : x
  2. Step 2: Convert to fraction form
    7,620.24/10,539.12 = 6,834/x
  3. Step 3: Cross multiply
    7,620.24x = 10,539.12 × 6,834
  4. Step 4: Simplify right side
    7,620.24x = 72,024,346.08
  5. Step 5: Solve for x
    x = 72,024,346.08/7,620.24
  6. Step 6: Final answer
    x = 9,451.72

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Why These Related Problems?

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