Home / 12,556.08-17,322.45-7,249.86

Finding the Fourth Proportional to 12,556.08, 17,322.45 and 7,249.86

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Solution

The fourth proportional to 12,556.08, 17,322.45 and 7,249.86 is: 10,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.08 : 17,322.45 = 7,249.86 : x
  2. Step 2: Convert to fraction form
    12,556.08/17,322.45 = 7,249.86/x
  3. Step 3: Cross multiply
    12,556.08x = 17,322.45 × 7,249.86
  4. Step 4: Simplify right side
    12,556.08x = 125,585,337.36
  5. Step 5: Solve for x
    x = 125,585,337.36/12,556.08
  6. Step 6: Final answer
    x = 10,001.95

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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.