Home / 7,147.14-9,863.01-4,003.34

Finding the Fourth Proportional to 7,147.14, 9,863.01 and 4,003.34

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Solution

The fourth proportional to 7,147.14, 9,863.01 and 4,003.34 is: 5,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.14 : 9,863.01 = 4,003.34 : x
  2. Step 2: Convert to fraction form
    7,147.14/9,863.01 = 4,003.34/x
  3. Step 3: Cross multiply
    7,147.14x = 9,863.01 × 4,003.34
  4. Step 4: Simplify right side
    7,147.14x = 39,484,933.14
  5. Step 5: Solve for x
    x = 39,484,933.14/7,147.14
  6. Step 6: Final answer
    x = 5,524.58

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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.