Home / 6,982.53-10,464.02-5,415.18

Finding the Fourth Proportional to 6,982.53, 10,464.02 and 5,415.18

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Solution

The fourth proportional to 6,982.53, 10,464.02 and 5,415.18 is: 8,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.53 : 10,464.02 = 5,415.18 : x
  2. Step 2: Convert to fraction form
    6,982.53/10,464.02 = 5,415.18/x
  3. Step 3: Cross multiply
    6,982.53x = 10,464.02 × 5,415.18
  4. Step 4: Simplify right side
    6,982.53x = 56,664,505.81
  5. Step 5: Solve for x
    x = 56,664,505.81/6,982.53
  6. Step 6: Final answer
    x = 8,115.19

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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.