Home / 7,557.63-11,324.91-3,172.71

Finding the Fourth Proportional to 7,557.63, 11,324.91 and 3,172.71

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Solution

The fourth proportional to 7,557.63, 11,324.91 and 3,172.71 is: 4,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.63 : 11,324.91 = 3,172.71 : x
  2. Step 2: Convert to fraction form
    7,557.63/11,324.91 = 3,172.71/x
  3. Step 3: Cross multiply
    7,557.63x = 11,324.91 × 3,172.71
  4. Step 4: Simplify right side
    7,557.63x = 35,930,655.21
  5. Step 5: Solve for x
    x = 35,930,655.21/7,557.63
  6. Step 6: Final answer
    x = 4,754.22

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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.