Home / 11,449.57-17,180.85-4,875.07

Finding the Fourth Proportional to 11,449.57, 17,180.85 and 4,875.07

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Solution

The fourth proportional to 11,449.57, 17,180.85 and 4,875.07 is: 7,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.57 : 17,180.85 = 4,875.07 : x
  2. Step 2: Convert to fraction form
    11,449.57/17,180.85 = 4,875.07/x
  3. Step 3: Cross multiply
    11,449.57x = 17,180.85 × 4,875.07
  4. Step 4: Simplify right side
    11,449.57x = 83,757,846.41
  5. Step 5: Solve for x
    x = 83,757,846.41/11,449.57
  6. Step 6: Final answer
    x = 7,315.37

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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.