Home / 10,727.60-16,097.08-5,255.60

Finding the Fourth Proportional to 10,727.60, 16,097.08 and 5,255.60

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Solution

The fourth proportional to 10,727.60, 16,097.08 and 5,255.60 is: 7,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.60 : 16,097.08 = 5,255.60 : x
  2. Step 2: Convert to fraction form
    10,727.60/16,097.08 = 5,255.60/x
  3. Step 3: Cross multiply
    10,727.60x = 16,097.08 × 5,255.60
  4. Step 4: Simplify right side
    10,727.60x = 84,599,813.65
  5. Step 5: Solve for x
    x = 84,599,813.65/10,727.60
  6. Step 6: Final answer
    x = 7,886.18

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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.