Home / 8,590.16-12,876.32-3,323.68

Finding the Fourth Proportional to 8,590.16, 12,876.32 and 3,323.68

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Solution

The fourth proportional to 8,590.16, 12,876.32 and 3,323.68 is: 4,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.16 : 12,876.32 = 3,323.68 : x
  2. Step 2: Convert to fraction form
    8,590.16/12,876.32 = 3,323.68/x
  3. Step 3: Cross multiply
    8,590.16x = 12,876.32 × 3,323.68
  4. Step 4: Simplify right side
    8,590.16x = 42,796,767.26
  5. Step 5: Solve for x
    x = 42,796,767.26/8,590.16
  6. Step 6: Final answer
    x = 4,982.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.