Home / 8,356.65-11,531.69-4,772.03

Finding the Fourth Proportional to 8,356.65, 11,531.69 and 4,772.03

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Solution

The fourth proportional to 8,356.65, 11,531.69 and 4,772.03 is: 6,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.65 : 11,531.69 = 4,772.03 : x
  2. Step 2: Convert to fraction form
    8,356.65/11,531.69 = 4,772.03/x
  3. Step 3: Cross multiply
    8,356.65x = 11,531.69 × 4,772.03
  4. Step 4: Simplify right side
    8,356.65x = 55,029,489.11
  5. Step 5: Solve for x
    x = 55,029,489.11/8,356.65
  6. Step 6: Final answer
    x = 6,585.11

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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.