Home / 9,115.52-13,677.29-3,196.67

Finding the Fourth Proportional to 9,115.52, 13,677.29 and 3,196.67

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Solution

The fourth proportional to 9,115.52, 13,677.29 and 3,196.67 is: 4,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.52 : 13,677.29 = 3,196.67 : x
  2. Step 2: Convert to fraction form
    9,115.52/13,677.29 = 3,196.67/x
  3. Step 3: Cross multiply
    9,115.52x = 13,677.29 × 3,196.67
  4. Step 4: Simplify right side
    9,115.52x = 43,721,698.25
  5. Step 5: Solve for x
    x = 43,721,698.25/9,115.52
  6. Step 6: Final answer
    x = 4,796.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.