Home / 7,418.48-11,115.43-5,216.45

Finding the Fourth Proportional to 7,418.48, 11,115.43 and 5,216.45

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Solution

The fourth proportional to 7,418.48, 11,115.43 and 5,216.45 is: 7,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.48 : 11,115.43 = 5,216.45 : x
  2. Step 2: Convert to fraction form
    7,418.48/11,115.43 = 5,216.45/x
  3. Step 3: Cross multiply
    7,418.48x = 11,115.43 × 5,216.45
  4. Step 4: Simplify right side
    7,418.48x = 57,983,084.82
  5. Step 5: Solve for x
    x = 57,983,084.82/7,418.48
  6. Step 6: Final answer
    x = 7,816.03

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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.