Home / 10,163.32-15,239.29-3,141.33

Finding the Fourth Proportional to 10,163.32, 15,239.29 and 3,141.33

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Solution

The fourth proportional to 10,163.32, 15,239.29 and 3,141.33 is: 4,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.32 : 15,239.29 = 3,141.33 : x
  2. Step 2: Convert to fraction form
    10,163.32/15,239.29 = 3,141.33/x
  3. Step 3: Cross multiply
    10,163.32x = 15,239.29 × 3,141.33
  4. Step 4: Simplify right side
    10,163.32x = 47,871,665.47
  5. Step 5: Solve for x
    x = 47,871,665.47/10,163.32
  6. Step 6: Final answer
    x = 4,710.24

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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.