Home / 8,343.08-11,516-4,808.68

Finding the Fourth Proportional to 8,343.08, 11,516 and 4,808.68

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Solution

The fourth proportional to 8,343.08, 11,516 and 4,808.68 is: 6,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.08 : 11,516 = 4,808.68 : x
  2. Step 2: Convert to fraction form
    8,343.08/11,516 = 4,808.68/x
  3. Step 3: Cross multiply
    8,343.08x = 11,516 × 4,808.68
  4. Step 4: Simplify right side
    8,343.08x = 55,376,758.88
  5. Step 5: Solve for x
    x = 55,376,758.88/8,343.08
  6. Step 6: Final answer
    x = 6,637.45

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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.