Home / 9,167.40-13,736.70-7,698.60

Finding the Fourth Proportional to 9,167.40, 13,736.70 and 7,698.60

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Solution

The fourth proportional to 9,167.40, 13,736.70 and 7,698.60 is: 11,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.40 : 13,736.70 = 7,698.60 : x
  2. Step 2: Convert to fraction form
    9,167.40/13,736.70 = 7,698.60/x
  3. Step 3: Cross multiply
    9,167.40x = 13,736.70 × 7,698.60
  4. Step 4: Simplify right side
    9,167.40x = 105,753,358.62
  5. Step 5: Solve for x
    x = 105,753,358.62/9,167.40
  6. Step 6: Final answer
    x = 11,535.81

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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.