Home / 8,223.96-11,349.72-4,686.36

Finding the Fourth Proportional to 8,223.96, 11,349.72 and 4,686.36

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Solution

The fourth proportional to 8,223.96, 11,349.72 and 4,686.36 is: 6,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.96 : 11,349.72 = 4,686.36 : x
  2. Step 2: Convert to fraction form
    8,223.96/11,349.72 = 4,686.36/x
  3. Step 3: Cross multiply
    8,223.96x = 11,349.72 × 4,686.36
  4. Step 4: Simplify right side
    8,223.96x = 53,188,873.82
  5. Step 5: Solve for x
    x = 53,188,873.82/8,223.96
  6. Step 6: Final answer
    x = 6,467.55

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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.