Home / 9,963.27-13,753.04-6,607.21

Finding the Fourth Proportional to 9,963.27, 13,753.04 and 6,607.21

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Solution

The fourth proportional to 9,963.27, 13,753.04 and 6,607.21 is: 9,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.27 : 13,753.04 = 6,607.21 : x
  2. Step 2: Convert to fraction form
    9,963.27/13,753.04 = 6,607.21/x
  3. Step 3: Cross multiply
    9,963.27x = 13,753.04 × 6,607.21
  4. Step 4: Simplify right side
    9,963.27x = 90,869,223.42
  5. Step 5: Solve for x
    x = 90,869,223.42/9,963.27
  6. Step 6: Final answer
    x = 9,120.42

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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.