Home / 11,239.04-16,858.08-4,313.12

Finding the Fourth Proportional to 11,239.04, 16,858.08 and 4,313.12

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Solution

The fourth proportional to 11,239.04, 16,858.08 and 4,313.12 is: 6,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.04 : 16,858.08 = 4,313.12 : x
  2. Step 2: Convert to fraction form
    11,239.04/16,858.08 = 4,313.12/x
  3. Step 3: Cross multiply
    11,239.04x = 16,858.08 × 4,313.12
  4. Step 4: Simplify right side
    11,239.04x = 72,710,922.01
  5. Step 5: Solve for x
    x = 72,710,922.01/11,239.04
  6. Step 6: Final answer
    x = 6,469.50

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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.