Home / 8,207.09-12,312.75-2,364.16

Finding the Fourth Proportional to 8,207.09, 12,312.75 and 2,364.16

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Solution

The fourth proportional to 8,207.09, 12,312.75 and 2,364.16 is: 3,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.09 : 12,312.75 = 2,364.16 : x
  2. Step 2: Convert to fraction form
    8,207.09/12,312.75 = 2,364.16/x
  3. Step 3: Cross multiply
    8,207.09x = 12,312.75 × 2,364.16
  4. Step 4: Simplify right side
    8,207.09x = 29,109,249.48
  5. Step 5: Solve for x
    x = 29,109,249.48/8,207.09
  6. Step 6: Final answer
    x = 3,546.84

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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.