Home / 12,176.12-16,750.37-9,933.08

Finding the Fourth Proportional to 12,176.12, 16,750.37 and 9,933.08

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Solution

The fourth proportional to 12,176.12, 16,750.37 and 9,933.08 is: 13,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.12 : 16,750.37 = 9,933.08 : x
  2. Step 2: Convert to fraction form
    12,176.12/16,750.37 = 9,933.08/x
  3. Step 3: Cross multiply
    12,176.12x = 16,750.37 × 9,933.08
  4. Step 4: Simplify right side
    12,176.12x = 166,382,772.60
  5. Step 5: Solve for x
    x = 166,382,772.60/12,176.12
  6. Step 6: Final answer
    x = 13,664.68

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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.