Home / 9,899.84-13,661.32-5,923.14

Finding the Fourth Proportional to 9,899.84, 13,661.32 and 5,923.14

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Solution

The fourth proportional to 9,899.84, 13,661.32 and 5,923.14 is: 8,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.84 : 13,661.32 = 5,923.14 : x
  2. Step 2: Convert to fraction form
    9,899.84/13,661.32 = 5,923.14/x
  3. Step 3: Cross multiply
    9,899.84x = 13,661.32 × 5,923.14
  4. Step 4: Simplify right side
    9,899.84x = 80,917,910.94
  5. Step 5: Solve for x
    x = 80,917,910.94/9,899.84
  6. Step 6: Final answer
    x = 8,173.66

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Half scale
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Double scale
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Similar ratio
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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.