Home / 7,407.42-11,109.96-2,212.08

Finding the Fourth Proportional to 7,407.42, 11,109.96 and 2,212.08

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Solution

The fourth proportional to 7,407.42, 11,109.96 and 2,212.08 is: 3,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.42 : 11,109.96 = 2,212.08 : x
  2. Step 2: Convert to fraction form
    7,407.42/11,109.96 = 2,212.08/x
  3. Step 3: Cross multiply
    7,407.42x = 11,109.96 × 2,212.08
  4. Step 4: Simplify right side
    7,407.42x = 24,576,120.32
  5. Step 5: Solve for x
    x = 24,576,120.32/7,407.42
  6. Step 6: Final answer
    x = 3,317.77

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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.