Home / 9,040.35-13,544.58-7,917.23

Finding the Fourth Proportional to 9,040.35, 13,544.58 and 7,917.23

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Solution

The fourth proportional to 9,040.35, 13,544.58 and 7,917.23 is: 11,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.35 : 13,544.58 = 7,917.23 : x
  2. Step 2: Convert to fraction form
    9,040.35/13,544.58 = 7,917.23/x
  3. Step 3: Cross multiply
    9,040.35x = 13,544.58 × 7,917.23
  4. Step 4: Simplify right side
    9,040.35x = 107,235,588.97
  5. Step 5: Solve for x
    x = 107,235,588.97/9,040.35
  6. Step 6: Final answer
    x = 11,861.88

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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.