Home / 7,418.24-10,219.87-5,176.16

Finding the Fourth Proportional to 7,418.24, 10,219.87 and 5,176.16

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Solution

The fourth proportional to 7,418.24, 10,219.87 and 5,176.16 is: 7,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.24 : 10,219.87 = 5,176.16 : x
  2. Step 2: Convert to fraction form
    7,418.24/10,219.87 = 5,176.16/x
  3. Step 3: Cross multiply
    7,418.24x = 10,219.87 × 5,176.16
  4. Step 4: Simplify right side
    7,418.24x = 52,899,682.30
  5. Step 5: Solve for x
    x = 52,899,682.30/7,418.24
  6. Step 6: Final answer
    x = 7,131.03

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1.5x scale

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.