Home / 8,320.40-11,481.32-4,594.16

Finding the Fourth Proportional to 8,320.40, 11,481.32 and 4,594.16

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Solution

The fourth proportional to 8,320.40, 11,481.32 and 4,594.16 is: 6,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.40 : 11,481.32 = 4,594.16 : x
  2. Step 2: Convert to fraction form
    8,320.40/11,481.32 = 4,594.16/x
  3. Step 3: Cross multiply
    8,320.40x = 11,481.32 × 4,594.16
  4. Step 4: Simplify right side
    8,320.40x = 52,747,021.09
  5. Step 5: Solve for x
    x = 52,747,021.09/8,320.40
  6. Step 6: Final answer
    x = 6,339.48

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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.