Home / 11,483.60-17,225.40-3,693.20

Finding the Fourth Proportional to 11,483.60, 17,225.40 and 3,693.20

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Solution

The fourth proportional to 11,483.60, 17,225.40 and 3,693.20 is: 5,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.60 : 17,225.40 = 3,693.20 : x
  2. Step 2: Convert to fraction form
    11,483.60/17,225.40 = 3,693.20/x
  3. Step 3: Cross multiply
    11,483.60x = 17,225.40 × 3,693.20
  4. Step 4: Simplify right side
    11,483.60x = 63,616,847.28
  5. Step 5: Solve for x
    x = 63,616,847.28/11,483.60
  6. Step 6: Final answer
    x = 5,539.80

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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.