Home / 10,685.68-16,027.28-2,895.08

Finding the Fourth Proportional to 10,685.68, 16,027.28 and 2,895.08

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Solution

The fourth proportional to 10,685.68, 16,027.28 and 2,895.08 is: 4,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.68 : 16,027.28 = 2,895.08 : x
  2. Step 2: Convert to fraction form
    10,685.68/16,027.28 = 2,895.08/x
  3. Step 3: Cross multiply
    10,685.68x = 16,027.28 × 2,895.08
  4. Step 4: Simplify right side
    10,685.68x = 46,400,257.78
  5. Step 5: Solve for x
    x = 46,400,257.78/10,685.68
  6. Step 6: Final answer
    x = 4,342.28

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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.