Home / 6,216.03-9,278.55-5,477.92

Finding the Fourth Proportional to 6,216.03, 9,278.55 and 5,477.92

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Solution

The fourth proportional to 6,216.03, 9,278.55 and 5,477.92 is: 8,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.03 : 9,278.55 = 5,477.92 : x
  2. Step 2: Convert to fraction form
    6,216.03/9,278.55 = 5,477.92/x
  3. Step 3: Cross multiply
    6,216.03x = 9,278.55 × 5,477.92
  4. Step 4: Simplify right side
    6,216.03x = 50,827,131.42
  5. Step 5: Solve for x
    x = 50,827,131.42/6,216.03
  6. Step 6: Final answer
    x = 8,176.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.