Home / 11,480.84-17,212.10-10,558.25

Finding the Fourth Proportional to 11,480.84, 17,212.10 and 10,558.25

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Solution

The fourth proportional to 11,480.84, 17,212.10 and 10,558.25 is: 15,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.84 : 17,212.10 = 10,558.25 : x
  2. Step 2: Convert to fraction form
    11,480.84/17,212.10 = 10,558.25/x
  3. Step 3: Cross multiply
    11,480.84x = 17,212.10 × 10,558.25
  4. Step 4: Simplify right side
    11,480.84x = 181,729,580.52
  5. Step 5: Solve for x
    x = 181,729,580.52/11,480.84
  6. Step 6: Final answer
    x = 15,828.95

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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.