Home / 7,577.77-11,364.82-3,192.84

Finding the Fourth Proportional to 7,577.77, 11,364.82 and 3,192.84

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Solution

The fourth proportional to 7,577.77, 11,364.82 and 3,192.84 is: 4,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.77 : 11,364.82 = 3,192.84 : x
  2. Step 2: Convert to fraction form
    7,577.77/11,364.82 = 3,192.84/x
  3. Step 3: Cross multiply
    7,577.77x = 11,364.82 × 3,192.84
  4. Step 4: Simplify right side
    7,577.77x = 36,286,051.89
  5. Step 5: Solve for x
    x = 36,286,051.89/7,577.77
  6. Step 6: Final answer
    x = 4,788.49

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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.