Home / 8,163.68-11,262.65-5,330.16

Finding the Fourth Proportional to 8,163.68, 11,262.65 and 5,330.16

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Solution

The fourth proportional to 8,163.68, 11,262.65 and 5,330.16 is: 7,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.68 : 11,262.65 = 5,330.16 : x
  2. Step 2: Convert to fraction form
    8,163.68/11,262.65 = 5,330.16/x
  3. Step 3: Cross multiply
    8,163.68x = 11,262.65 × 5,330.16
  4. Step 4: Simplify right side
    8,163.68x = 60,031,699.87
  5. Step 5: Solve for x
    x = 60,031,699.87/8,163.68
  6. Step 6: Final answer
    x = 7,353.51

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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.