Home / 11,609.78-16,021.56-6,304.60

Finding the Fourth Proportional to 11,609.78, 16,021.56 and 6,304.60

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Solution

The fourth proportional to 11,609.78, 16,021.56 and 6,304.60 is: 8,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.78 : 16,021.56 = 6,304.60 : x
  2. Step 2: Convert to fraction form
    11,609.78/16,021.56 = 6,304.60/x
  3. Step 3: Cross multiply
    11,609.78x = 16,021.56 × 6,304.60
  4. Step 4: Simplify right side
    11,609.78x = 101,009,527.18
  5. Step 5: Solve for x
    x = 101,009,527.18/11,609.78
  6. Step 6: Final answer
    x = 8,700.38

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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.