Home / 10,975.24-16,449-4,727.80

Finding the Fourth Proportional to 10,975.24, 16,449 and 4,727.80

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Solution

The fourth proportional to 10,975.24, 16,449 and 4,727.80 is: 7,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.24 : 16,449 = 4,727.80 : x
  2. Step 2: Convert to fraction form
    10,975.24/16,449 = 4,727.80/x
  3. Step 3: Cross multiply
    10,975.24x = 16,449 × 4,727.80
  4. Step 4: Simplify right side
    10,975.24x = 77,767,582.20
  5. Step 5: Solve for x
    x = 77,767,582.20/10,975.24
  6. Step 6: Final answer
    x = 7,085.73

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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.