Home / 9,721.25-14,568.20-5,555.01

Finding the Fourth Proportional to 9,721.25, 14,568.20 and 5,555.01

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Solution

The fourth proportional to 9,721.25, 14,568.20 and 5,555.01 is: 8,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.25 : 14,568.20 = 5,555.01 : x
  2. Step 2: Convert to fraction form
    9,721.25/14,568.20 = 5,555.01/x
  3. Step 3: Cross multiply
    9,721.25x = 14,568.20 × 5,555.01
  4. Step 4: Simplify right side
    9,721.25x = 80,926,575.62
  5. Step 5: Solve for x
    x = 80,926,575.62/9,721.25
  6. Step 6: Final answer
    x = 8,324.71

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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.