Home / 13,104.41-18,084.47-7,136.33

Finding the Fourth Proportional to 13,104.41, 18,084.47 and 7,136.33

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Solution

The fourth proportional to 13,104.41, 18,084.47 and 7,136.33 is: 9,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.41 : 18,084.47 = 7,136.33 : x
  2. Step 2: Convert to fraction form
    13,104.41/18,084.47 = 7,136.33/x
  3. Step 3: Cross multiply
    13,104.41x = 18,084.47 × 7,136.33
  4. Step 4: Simplify right side
    13,104.41x = 129,056,619.69
  5. Step 5: Solve for x
    x = 129,056,619.69/13,104.41
  6. Step 6: Final answer
    x = 9,848.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.