Home / 9,065.39-13,591.67-4,128.21

Finding the Fourth Proportional to 9,065.39, 13,591.67 and 4,128.21

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Solution

The fourth proportional to 9,065.39, 13,591.67 and 4,128.21 is: 6,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.39 : 13,591.67 = 4,128.21 : x
  2. Step 2: Convert to fraction form
    9,065.39/13,591.67 = 4,128.21/x
  3. Step 3: Cross multiply
    9,065.39x = 13,591.67 × 4,128.21
  4. Step 4: Simplify right side
    9,065.39x = 56,109,247.37
  5. Step 5: Solve for x
    x = 56,109,247.37/9,065.39
  6. Step 6: Final answer
    x = 6,189.39

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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.