Home / 10,847.21-16,239.82-10,158.31

Finding the Fourth Proportional to 10,847.21, 16,239.82 and 10,158.31

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Solution

The fourth proportional to 10,847.21, 16,239.82 and 10,158.31 is: 15,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.21 : 16,239.82 = 10,158.31 : x
  2. Step 2: Convert to fraction form
    10,847.21/16,239.82 = 10,158.31/x
  3. Step 3: Cross multiply
    10,847.21x = 16,239.82 × 10,158.31
  4. Step 4: Simplify right side
    10,847.21x = 164,969,125.90
  5. Step 5: Solve for x
    x = 164,969,125.90/10,847.21
  6. Step 6: Final answer
    x = 15,208.44

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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.