Home / 11,249.66-16,852.52-9,689.60

Finding the Fourth Proportional to 11,249.66, 16,852.52 and 9,689.60

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Solution

The fourth proportional to 11,249.66, 16,852.52 and 9,689.60 is: 14,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.66 : 16,852.52 = 9,689.60 : x
  2. Step 2: Convert to fraction form
    11,249.66/16,852.52 = 9,689.60/x
  3. Step 3: Cross multiply
    11,249.66x = 16,852.52 × 9,689.60
  4. Step 4: Simplify right side
    11,249.66x = 163,294,177.79
  5. Step 5: Solve for x
    x = 163,294,177.79/11,249.66
  6. Step 6: Final answer
    x = 14,515.48

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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.