Home / 7,487.18-11,221.66-5,296.54

Finding the Fourth Proportional to 7,487.18, 11,221.66 and 5,296.54

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Solution

The fourth proportional to 7,487.18, 11,221.66 and 5,296.54 is: 7,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.18 : 11,221.66 = 5,296.54 : x
  2. Step 2: Convert to fraction form
    7,487.18/11,221.66 = 5,296.54/x
  3. Step 3: Cross multiply
    7,487.18x = 11,221.66 × 5,296.54
  4. Step 4: Simplify right side
    7,487.18x = 59,435,971.06
  5. Step 5: Solve for x
    x = 59,435,971.06/7,487.18
  6. Step 6: Final answer
    x = 7,938.37

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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.