Home / 9,901.27-13,667.97-6,671.80

Finding the Fourth Proportional to 9,901.27, 13,667.97 and 6,671.80

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Solution

The fourth proportional to 9,901.27, 13,667.97 and 6,671.80 is: 9,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.27 : 13,667.97 = 6,671.80 : x
  2. Step 2: Convert to fraction form
    9,901.27/13,667.97 = 6,671.80/x
  3. Step 3: Cross multiply
    9,901.27x = 13,667.97 × 6,671.80
  4. Step 4: Simplify right side
    9,901.27x = 91,189,962.25
  5. Step 5: Solve for x
    x = 91,189,962.25/9,901.27
  6. Step 6: Final answer
    x = 9,209.93

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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.