Home / 9,899.75-13,661.26-5,923.05

Finding the Fourth Proportional to 9,899.75, 13,661.26 and 5,923.05

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Solution

The fourth proportional to 9,899.75, 13,661.26 and 5,923.05 is: 8,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.75 : 13,661.26 = 5,923.05 : x
  2. Step 2: Convert to fraction form
    9,899.75/13,661.26 = 5,923.05/x
  3. Step 3: Cross multiply
    9,899.75x = 13,661.26 × 5,923.05
  4. Step 4: Simplify right side
    9,899.75x = 80,916,296.43
  5. Step 5: Solve for x
    x = 80,916,296.43/9,899.75
  6. Step 6: Final answer
    x = 8,173.57

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Double scale
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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.