Home / 11,458.45-17,188.08-3,666.25

Finding the Fourth Proportional to 11,458.45, 17,188.08 and 3,666.25

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Solution

The fourth proportional to 11,458.45, 17,188.08 and 3,666.25 is: 5,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.45 : 17,188.08 = 3,666.25 : x
  2. Step 2: Convert to fraction form
    11,458.45/17,188.08 = 3,666.25/x
  3. Step 3: Cross multiply
    11,458.45x = 17,188.08 × 3,666.25
  4. Step 4: Simplify right side
    11,458.45x = 63,015,798.30
  5. Step 5: Solve for x
    x = 63,015,798.30/11,458.45
  6. Step 6: Final answer
    x = 5,499.50

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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.