Home / 8,113.96-11,203.14-5,327.56

Finding the Fourth Proportional to 8,113.96, 11,203.14 and 5,327.56

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Solution

The fourth proportional to 8,113.96, 11,203.14 and 5,327.56 is: 7,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.96 : 11,203.14 = 5,327.56 : x
  2. Step 2: Convert to fraction form
    8,113.96/11,203.14 = 5,327.56/x
  3. Step 3: Cross multiply
    8,113.96x = 11,203.14 × 5,327.56
  4. Step 4: Simplify right side
    8,113.96x = 59,685,400.54
  5. Step 5: Solve for x
    x = 59,685,400.54/8,113.96
  6. Step 6: Final answer
    x = 7,355.89

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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.