Home / 11,609.39-16,018.31-6,572.91

Finding the Fourth Proportional to 11,609.39, 16,018.31 and 6,572.91

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Solution

The fourth proportional to 11,609.39, 16,018.31 and 6,572.91 is: 9,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.39 : 16,018.31 = 6,572.91 : x
  2. Step 2: Convert to fraction form
    11,609.39/16,018.31 = 6,572.91/x
  3. Step 3: Cross multiply
    11,609.39x = 16,018.31 × 6,572.91
  4. Step 4: Simplify right side
    11,609.39x = 105,286,877.12
  5. Step 5: Solve for x
    x = 105,286,877.12/11,609.39
  6. Step 6: Final answer
    x = 9,069.11

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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.