Home / 6,816.76-9,410.48-4,165.02

Finding the Fourth Proportional to 6,816.76, 9,410.48 and 4,165.02

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Solution

The fourth proportional to 6,816.76, 9,410.48 and 4,165.02 is: 5,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.76 : 9,410.48 = 4,165.02 : x
  2. Step 2: Convert to fraction form
    6,816.76/9,410.48 = 4,165.02/x
  3. Step 3: Cross multiply
    6,816.76x = 9,410.48 × 4,165.02
  4. Step 4: Simplify right side
    6,816.76x = 39,194,832.20
  5. Step 5: Solve for x
    x = 39,194,832.20/6,816.76
  6. Step 6: Final answer
    x = 5,749.78

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Half scale
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Double scale
Find fourth proportional to 6,817.76, 9,411.86 and 4,166.02
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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.