Home / 7,412.12-10,231.30-4,269.56

Finding the Fourth Proportional to 7,412.12, 10,231.30 and 4,269.56

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Solution

The fourth proportional to 7,412.12, 10,231.30 and 4,269.56 is: 5,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.12 : 10,231.30 = 4,269.56 : x
  2. Step 2: Convert to fraction form
    7,412.12/10,231.30 = 4,269.56/x
  3. Step 3: Cross multiply
    7,412.12x = 10,231.30 × 4,269.56
  4. Step 4: Simplify right side
    7,412.12x = 43,683,149.23
  5. Step 5: Solve for x
    x = 43,683,149.23/7,412.12
  6. Step 6: Final answer
    x = 5,893.48

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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.