Home / 12,393.27-17,102.12-7,088.67

Finding the Fourth Proportional to 12,393.27, 17,102.12 and 7,088.67

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Solution

The fourth proportional to 12,393.27, 17,102.12 and 7,088.67 is: 9,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.27 : 17,102.12 = 7,088.67 : x
  2. Step 2: Convert to fraction form
    12,393.27/17,102.12 = 7,088.67/x
  3. Step 3: Cross multiply
    12,393.27x = 17,102.12 × 7,088.67
  4. Step 4: Simplify right side
    12,393.27x = 121,231,249.54
  5. Step 5: Solve for x
    x = 121,231,249.54/12,393.27
  6. Step 6: Final answer
    x = 9,782.02

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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.