Home / 9,908.41-13,671.36-6,722.14

Finding the Fourth Proportional to 9,908.41, 13,671.36 and 6,722.14

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Solution

The fourth proportional to 9,908.41, 13,671.36 and 6,722.14 is: 9,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.41 : 13,671.36 = 6,722.14 : x
  2. Step 2: Convert to fraction form
    9,908.41/13,671.36 = 6,722.14/x
  3. Step 3: Cross multiply
    9,908.41x = 13,671.36 × 6,722.14
  4. Step 4: Simplify right side
    9,908.41x = 91,900,795.91
  5. Step 5: Solve for x
    x = 91,900,795.91/9,908.41
  6. Step 6: Final answer
    x = 9,275.03

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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.