Home / 7,412.52-11,123.17-2,735.79

Finding the Fourth Proportional to 7,412.52, 11,123.17 and 2,735.79

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Solution

The fourth proportional to 7,412.52, 11,123.17 and 2,735.79 is: 4,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.52 : 11,123.17 = 2,735.79 : x
  2. Step 2: Convert to fraction form
    7,412.52/11,123.17 = 2,735.79/x
  3. Step 3: Cross multiply
    7,412.52x = 11,123.17 × 2,735.79
  4. Step 4: Simplify right side
    7,412.52x = 30,430,587.96
  5. Step 5: Solve for x
    x = 30,430,587.96/7,412.52
  6. Step 6: Final answer
    x = 4,105.30

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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.