Home / 7,209.19-10,821.99-4,839.03

Finding the Fourth Proportional to 7,209.19, 10,821.99 and 4,839.03

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Solution

The fourth proportional to 7,209.19, 10,821.99 and 4,839.03 is: 7,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.19 : 10,821.99 = 4,839.03 : x
  2. Step 2: Convert to fraction form
    7,209.19/10,821.99 = 4,839.03/x
  3. Step 3: Cross multiply
    7,209.19x = 10,821.99 × 4,839.03
  4. Step 4: Simplify right side
    7,209.19x = 52,367,934.27
  5. Step 5: Solve for x
    x = 52,367,934.27/7,209.19
  6. Step 6: Final answer
    x = 7,264.05

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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.