Home / 8,943.58-13,415.36-3,100.19

Finding the Fourth Proportional to 8,943.58, 13,415.36 and 3,100.19

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Solution

The fourth proportional to 8,943.58, 13,415.36 and 3,100.19 is: 4,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.58 : 13,415.36 = 3,100.19 : x
  2. Step 2: Convert to fraction form
    8,943.58/13,415.36 = 3,100.19/x
  3. Step 3: Cross multiply
    8,943.58x = 13,415.36 × 3,100.19
  4. Step 4: Simplify right side
    8,943.58x = 41,590,105.59
  5. Step 5: Solve for x
    x = 41,590,105.59/8,943.58
  6. Step 6: Final answer
    x = 4,650.28

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.