Home / 7,440.98-11,161.54-1,894.33

Finding the Fourth Proportional to 7,440.98, 11,161.54 and 1,894.33

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Solution

The fourth proportional to 7,440.98, 11,161.54 and 1,894.33 is: 2,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.98 : 11,161.54 = 1,894.33 : x
  2. Step 2: Convert to fraction form
    7,440.98/11,161.54 = 1,894.33/x
  3. Step 3: Cross multiply
    7,440.98x = 11,161.54 × 1,894.33
  4. Step 4: Simplify right side
    7,440.98x = 21,143,607.43
  5. Step 5: Solve for x
    x = 21,143,607.43/7,440.98
  6. Step 6: Final answer
    x = 2,841.51

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