Home / 6,983.66-9,639.49-4,153.02

Finding the Fourth Proportional to 6,983.66, 9,639.49 and 4,153.02

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Solution

The fourth proportional to 6,983.66, 9,639.49 and 4,153.02 is: 5,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.66 : 9,639.49 = 4,153.02 : x
  2. Step 2: Convert to fraction form
    6,983.66/9,639.49 = 4,153.02/x
  3. Step 3: Cross multiply
    6,983.66x = 9,639.49 × 4,153.02
  4. Step 4: Simplify right side
    6,983.66x = 40,033,010.24
  5. Step 5: Solve for x
    x = 40,033,010.24/6,983.66
  6. Step 6: Final answer
    x = 5,732.39

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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.