Home / 9,370.23-12,930.90-5,121.32

Finding the Fourth Proportional to 9,370.23, 12,930.90 and 5,121.32

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Solution

The fourth proportional to 9,370.23, 12,930.90 and 5,121.32 is: 7,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.23 : 12,930.90 = 5,121.32 : x
  2. Step 2: Convert to fraction form
    9,370.23/12,930.90 = 5,121.32/x
  3. Step 3: Cross multiply
    9,370.23x = 12,930.90 × 5,121.32
  4. Step 4: Simplify right side
    9,370.23x = 66,223,212.13
  5. Step 5: Solve for x
    x = 66,223,212.13/9,370.23
  6. Step 6: Final answer
    x = 7,067.41

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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.