Home / 12,239.02-16,889.86-6,933.84

Finding the Fourth Proportional to 12,239.02, 16,889.86 and 6,933.84

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Solution

The fourth proportional to 12,239.02, 16,889.86 and 6,933.84 is: 9,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.02 : 16,889.86 = 6,933.84 : x
  2. Step 2: Convert to fraction form
    12,239.02/16,889.86 = 6,933.84/x
  3. Step 3: Cross multiply
    12,239.02x = 16,889.86 × 6,933.84
  4. Step 4: Simplify right side
    12,239.02x = 117,111,627.20
  5. Step 5: Solve for x
    x = 117,111,627.20/12,239.02
  6. Step 6: Final answer
    x = 9,568.71

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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.