Home / 8,299.62-11,441.34-6,528.15

Finding the Fourth Proportional to 8,299.62, 11,441.34 and 6,528.15

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Solution

The fourth proportional to 8,299.62, 11,441.34 and 6,528.15 is: 8,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.62 : 11,441.34 = 6,528.15 : x
  2. Step 2: Convert to fraction form
    8,299.62/11,441.34 = 6,528.15/x
  3. Step 3: Cross multiply
    8,299.62x = 11,441.34 × 6,528.15
  4. Step 4: Simplify right side
    8,299.62x = 74,690,783.72
  5. Step 5: Solve for x
    x = 74,690,783.72/8,299.62
  6. Step 6: Final answer
    x = 8,999.30

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Half scale
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Double scale
Find fourth proportional to 8,300.62, 11,442.72 and 6,529.15
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.