Home / 10,822.10-16,233.15-8,999.60

Finding the Fourth Proportional to 10,822.10, 16,233.15 and 8,999.60

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Solution

The fourth proportional to 10,822.10, 16,233.15 and 8,999.60 is: 13,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.10 : 16,233.15 = 8,999.60 : x
  2. Step 2: Convert to fraction form
    10,822.10/16,233.15 = 8,999.60/x
  3. Step 3: Cross multiply
    10,822.10x = 16,233.15 × 8,999.60
  4. Step 4: Simplify right side
    10,822.10x = 146,091,856.74
  5. Step 5: Solve for x
    x = 146,091,856.74/10,822.10
  6. Step 6: Final answer
    x = 13,499.40

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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.