Home / 11,845.44-16,335.68-7,862.67

Finding the Fourth Proportional to 11,845.44, 16,335.68 and 7,862.67

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Solution

The fourth proportional to 11,845.44, 16,335.68 and 7,862.67 is: 10,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.44 : 16,335.68 = 7,862.67 : x
  2. Step 2: Convert to fraction form
    11,845.44/16,335.68 = 7,862.67/x
  3. Step 3: Cross multiply
    11,845.44x = 16,335.68 × 7,862.67
  4. Step 4: Simplify right side
    11,845.44x = 128,442,021.75
  5. Step 5: Solve for x
    x = 128,442,021.75/11,845.44
  6. Step 6: Final answer
    x = 10,843.16

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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.