Home / 6,916.56-10,369.02-3,216.90

Finding the Fourth Proportional to 6,916.56, 10,369.02 and 3,216.90

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Solution

The fourth proportional to 6,916.56, 10,369.02 and 3,216.90 is: 4,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.56 : 10,369.02 = 3,216.90 : x
  2. Step 2: Convert to fraction form
    6,916.56/10,369.02 = 3,216.90/x
  3. Step 3: Cross multiply
    6,916.56x = 10,369.02 × 3,216.90
  4. Step 4: Simplify right side
    6,916.56x = 33,356,100.44
  5. Step 5: Solve for x
    x = 33,356,100.44/6,916.56
  6. Step 6: Final answer
    x = 4,822.64

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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.