Home / 6,672.14-9,207.43-3,688.10

Finding the Fourth Proportional to 6,672.14, 9,207.43 and 3,688.10

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Solution

The fourth proportional to 6,672.14, 9,207.43 and 3,688.10 is: 5,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.14 : 9,207.43 = 3,688.10 : x
  2. Step 2: Convert to fraction form
    6,672.14/9,207.43 = 3,688.10/x
  3. Step 3: Cross multiply
    6,672.14x = 9,207.43 × 3,688.10
  4. Step 4: Simplify right side
    6,672.14x = 33,957,922.58
  5. Step 5: Solve for x
    x = 33,957,922.58/6,672.14
  6. Step 6: Final answer
    x = 5,089.51

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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.