Home / 13,212.46-18,233.58-7,548.04

Finding the Fourth Proportional to 13,212.46, 18,233.58 and 7,548.04

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Solution

The fourth proportional to 13,212.46, 18,233.58 and 7,548.04 is: 10,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.46 : 18,233.58 = 7,548.04 : x
  2. Step 2: Convert to fraction form
    13,212.46/18,233.58 = 7,548.04/x
  3. Step 3: Cross multiply
    13,212.46x = 18,233.58 × 7,548.04
  4. Step 4: Simplify right side
    13,212.46x = 137,627,791.18
  5. Step 5: Solve for x
    x = 137,627,791.18/13,212.46
  6. Step 6: Final answer
    x = 10,416.52

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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.