Home / 7,007.18-9,669.94-3,863.58

Finding the Fourth Proportional to 7,007.18, 9,669.94 and 3,863.58

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Solution

The fourth proportional to 7,007.18, 9,669.94 and 3,863.58 is: 5,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.18 : 9,669.94 = 3,863.58 : x
  2. Step 2: Convert to fraction form
    7,007.18/9,669.94 = 3,863.58/x
  3. Step 3: Cross multiply
    7,007.18x = 9,669.94 × 3,863.58
  4. Step 4: Simplify right side
    7,007.18x = 37,360,586.79
  5. Step 5: Solve for x
    x = 37,360,586.79/7,007.18
  6. Step 6: Final answer
    x = 5,331.76

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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.