Home / 11,052.22-15,249.95-7,693.81

Finding the Fourth Proportional to 11,052.22, 15,249.95 and 7,693.81

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Solution

The fourth proportional to 11,052.22, 15,249.95 and 7,693.81 is: 10,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.22 : 15,249.95 = 7,693.81 : x
  2. Step 2: Convert to fraction form
    11,052.22/15,249.95 = 7,693.81/x
  3. Step 3: Cross multiply
    11,052.22x = 15,249.95 × 7,693.81
  4. Step 4: Simplify right side
    11,052.22x = 117,330,217.81
  5. Step 5: Solve for x
    x = 117,330,217.81/11,052.22
  6. Step 6: Final answer
    x = 10,615.99

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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.