Home / 9,840.36-13,576.44-5,590.92

Finding the Fourth Proportional to 9,840.36, 13,576.44 and 5,590.92

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Solution

The fourth proportional to 9,840.36, 13,576.44 and 5,590.92 is: 7,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.36 : 13,576.44 = 5,590.92 : x
  2. Step 2: Convert to fraction form
    9,840.36/13,576.44 = 5,590.92/x
  3. Step 3: Cross multiply
    9,840.36x = 13,576.44 × 5,590.92
  4. Step 4: Simplify right side
    9,840.36x = 75,904,789.92
  5. Step 5: Solve for x
    x = 75,904,789.92/9,840.36
  6. Step 6: Final answer
    x = 7,713.62

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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.