Home / 11,955.51-16,498.08-6,650.82

Finding the Fourth Proportional to 11,955.51, 16,498.08 and 6,650.82

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Solution

The fourth proportional to 11,955.51, 16,498.08 and 6,650.82 is: 9,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.51 : 16,498.08 = 6,650.82 : x
  2. Step 2: Convert to fraction form
    11,955.51/16,498.08 = 6,650.82/x
  3. Step 3: Cross multiply
    11,955.51x = 16,498.08 × 6,650.82
  4. Step 4: Simplify right side
    11,955.51x = 109,725,760.43
  5. Step 5: Solve for x
    x = 109,725,760.43/11,955.51
  6. Step 6: Final answer
    x = 9,177.84

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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.