Home / 10,659.96-15,987.06-5,467.32

Finding the Fourth Proportional to 10,659.96, 15,987.06 and 5,467.32

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Solution

The fourth proportional to 10,659.96, 15,987.06 and 5,467.32 is: 8,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.96 : 15,987.06 = 5,467.32 : x
  2. Step 2: Convert to fraction form
    10,659.96/15,987.06 = 5,467.32/x
  3. Step 3: Cross multiply
    10,659.96x = 15,987.06 × 5,467.32
  4. Step 4: Simplify right side
    10,659.96x = 87,406,372.88
  5. Step 5: Solve for x
    x = 87,406,372.88/10,659.96
  6. Step 6: Final answer
    x = 8,199.50

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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.