Home / 11,955.08-16,498.02-6,649.79

Finding the Fourth Proportional to 11,955.08, 16,498.02 and 6,649.79

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Solution

The fourth proportional to 11,955.08, 16,498.02 and 6,649.79 is: 9,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.08 : 16,498.02 = 6,649.79 : x
  2. Step 2: Convert to fraction form
    11,955.08/16,498.02 = 6,649.79/x
  3. Step 3: Cross multiply
    11,955.08x = 16,498.02 × 6,649.79
  4. Step 4: Simplify right side
    11,955.08x = 109,708,285.93
  5. Step 5: Solve for x
    x = 109,708,285.93/11,955.08
  6. Step 6: Final answer
    x = 9,176.71

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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.