Home / 7,431.04-11,063.72-7,327.68

Finding the Fourth Proportional to 7,431.04, 11,063.72 and 7,327.68

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Solution

The fourth proportional to 7,431.04, 11,063.72 and 7,327.68 is: 10,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.04 : 11,063.72 = 7,327.68 : x
  2. Step 2: Convert to fraction form
    7,431.04/11,063.72 = 7,327.68/x
  3. Step 3: Cross multiply
    7,431.04x = 11,063.72 × 7,327.68
  4. Step 4: Simplify right side
    7,431.04x = 81,071,399.77
  5. Step 5: Solve for x
    x = 81,071,399.77/7,431.04
  6. Step 6: Final answer
    x = 10,909.83

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.