Home / 9,440.38-13,027.73-5,191.51

Finding the Fourth Proportional to 9,440.38, 13,027.73 and 5,191.51

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Solution

The fourth proportional to 9,440.38, 13,027.73 and 5,191.51 is: 7,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.38 : 13,027.73 = 5,191.51 : x
  2. Step 2: Convert to fraction form
    9,440.38/13,027.73 = 5,191.51/x
  3. Step 3: Cross multiply
    9,440.38x = 13,027.73 × 5,191.51
  4. Step 4: Simplify right side
    9,440.38x = 67,633,590.57
  5. Step 5: Solve for x
    x = 67,633,590.57/9,440.38
  6. Step 6: Final answer
    x = 7,164.29

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Double scale
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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.