Home / 11,575.87-17,363.78-2,810.79

Finding the Fourth Proportional to 11,575.87, 17,363.78 and 2,810.79

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Solution

The fourth proportional to 11,575.87, 17,363.78 and 2,810.79 is: 4,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.87 : 17,363.78 = 2,810.79 : x
  2. Step 2: Convert to fraction form
    11,575.87/17,363.78 = 2,810.79/x
  3. Step 3: Cross multiply
    11,575.87x = 17,363.78 × 2,810.79
  4. Step 4: Simplify right side
    11,575.87x = 48,805,862.89
  5. Step 5: Solve for x
    x = 48,805,862.89/11,575.87
  6. Step 6: Final answer
    x = 4,216.17

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1.5x scale

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.