Home / 11,642.45-17,450.00-5,389.25

Finding the Fourth Proportional to 11,642.45, 17,450.00 and 5,389.25

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Solution

The fourth proportional to 11,642.45, 17,450.00 and 5,389.25 is: 8,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.45 : 17,450.00 = 5,389.25 : x
  2. Step 2: Convert to fraction form
    11,642.45/17,450.00 = 5,389.25/x
  3. Step 3: Cross multiply
    11,642.45x = 17,450.00 × 5,389.25
  4. Step 4: Simplify right side
    11,642.45x = 94,042,416.67
  5. Step 5: Solve for x
    x = 94,042,416.67/11,642.45
  6. Step 6: Final answer
    x = 8,077.55

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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.