Home / 7,477.42-11,216.10-3,316.44

Finding the Fourth Proportional to 7,477.42, 11,216.10 and 3,316.44

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Solution

The fourth proportional to 7,477.42, 11,216.10 and 3,316.44 is: 4,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.42 : 11,216.10 = 3,316.44 : x
  2. Step 2: Convert to fraction form
    7,477.42/11,216.10 = 3,316.44/x
  3. Step 3: Cross multiply
    7,477.42x = 11,216.10 × 3,316.44
  4. Step 4: Simplify right side
    7,477.42x = 37,197,522.68
  5. Step 5: Solve for x
    x = 37,197,522.68/7,477.42
  6. Step 6: Final answer
    x = 4,974.65

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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.