Home / 11,249.36-15,518.96-6,530.92

Finding the Fourth Proportional to 11,249.36, 15,518.96 and 6,530.92

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Solution

The fourth proportional to 11,249.36, 15,518.96 and 6,530.92 is: 9,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.36 : 15,518.96 = 6,530.92 : x
  2. Step 2: Convert to fraction form
    11,249.36/15,518.96 = 6,530.92/x
  3. Step 3: Cross multiply
    11,249.36x = 15,518.96 × 6,530.92
  4. Step 4: Simplify right side
    11,249.36x = 101,353,086.24
  5. Step 5: Solve for x
    x = 101,353,086.24/11,249.36
  6. Step 6: Final answer
    x = 9,009.68

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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.