Home / 7,007.19-9,669.72-3,863.37

Finding the Fourth Proportional to 7,007.19, 9,669.72 and 3,863.37

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Solution

The fourth proportional to 7,007.19, 9,669.72 and 3,863.37 is: 5,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.19 : 9,669.72 = 3,863.37 : x
  2. Step 2: Convert to fraction form
    7,007.19/9,669.72 = 3,863.37/x
  3. Step 3: Cross multiply
    7,007.19x = 9,669.72 × 3,863.37
  4. Step 4: Simplify right side
    7,007.19x = 37,357,706.16
  5. Step 5: Solve for x
    x = 37,357,706.16/7,007.19
  6. Step 6: Final answer
    x = 5,331.34

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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.