Home / 13,197.06-18,212.45-7,532.73

Finding the Fourth Proportional to 13,197.06, 18,212.45 and 7,532.73

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Solution

The fourth proportional to 13,197.06, 18,212.45 and 7,532.73 is: 10,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.06 : 18,212.45 = 7,532.73 : x
  2. Step 2: Convert to fraction form
    13,197.06/18,212.45 = 7,532.73/x
  3. Step 3: Cross multiply
    13,197.06x = 18,212.45 × 7,532.73
  4. Step 4: Simplify right side
    13,197.06x = 137,189,430.82
  5. Step 5: Solve for x
    x = 137,189,430.82/13,197.06
  6. Step 6: Final answer
    x = 10,395.45

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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.