Home / 7,007.38-9,670.23-3,863.59

Finding the Fourth Proportional to 7,007.38, 9,670.23 and 3,863.59

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Solution

The fourth proportional to 7,007.38, 9,670.23 and 3,863.59 is: 5,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.38 : 9,670.23 = 3,863.59 : x
  2. Step 2: Convert to fraction form
    7,007.38/9,670.23 = 3,863.59/x
  3. Step 3: Cross multiply
    7,007.38x = 9,670.23 × 3,863.59
  4. Step 4: Simplify right side
    7,007.38x = 37,361,736.26
  5. Step 5: Solve for x
    x = 37,361,736.26/7,007.38
  6. Step 6: Final answer
    x = 5,331.77

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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.