Home / 11,080.55-15,291.15-6,364.83

Finding the Fourth Proportional to 11,080.55, 15,291.15 and 6,364.83

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Solution

The fourth proportional to 11,080.55, 15,291.15 and 6,364.83 is: 8,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.55 : 15,291.15 = 6,364.83 : x
  2. Step 2: Convert to fraction form
    11,080.55/15,291.15 = 6,364.83/x
  3. Step 3: Cross multiply
    11,080.55x = 15,291.15 × 6,364.83
  4. Step 4: Simplify right side
    11,080.55x = 97,325,571.42
  5. Step 5: Solve for x
    x = 97,325,571.42/11,080.55
  6. Step 6: Final answer
    x = 8,783.46

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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.