Home / 12,133.26-18,196.65-5,562.54

Finding the Fourth Proportional to 12,133.26, 18,196.65 and 5,562.54

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Solution

The fourth proportional to 12,133.26, 18,196.65 and 5,562.54 is: 8,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.26 : 18,196.65 = 5,562.54 : x
  2. Step 2: Convert to fraction form
    12,133.26/18,196.65 = 5,562.54/x
  3. Step 3: Cross multiply
    12,133.26x = 18,196.65 × 5,562.54
  4. Step 4: Simplify right side
    12,133.26x = 101,219,593.49
  5. Step 5: Solve for x
    x = 101,219,593.49/12,133.26
  6. Step 6: Final answer
    x = 8,342.32

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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.