Home / 10,344.99-15,521.25-5,079.44

Finding the Fourth Proportional to 10,344.99, 15,521.25 and 5,079.44

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Solution

The fourth proportional to 10,344.99, 15,521.25 and 5,079.44 is: 7,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.99 : 15,521.25 = 5,079.44 : x
  2. Step 2: Convert to fraction form
    10,344.99/15,521.25 = 5,079.44/x
  3. Step 3: Cross multiply
    10,344.99x = 15,521.25 × 5,079.44
  4. Step 4: Simplify right side
    10,344.99x = 78,839,287.38
  5. Step 5: Solve for x
    x = 78,839,287.38/10,344.99
  6. Step 6: Final answer
    x = 7,621.01

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1.5x scale

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.