Home / 9,963.30-13,755.98-6,192.10

Finding the Fourth Proportional to 9,963.30, 13,755.98 and 6,192.10

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Solution

The fourth proportional to 9,963.30, 13,755.98 and 6,192.10 is: 8,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.30 : 13,755.98 = 6,192.10 : x
  2. Step 2: Convert to fraction form
    9,963.30/13,755.98 = 6,192.10/x
  3. Step 3: Cross multiply
    9,963.30x = 13,755.98 × 6,192.10
  4. Step 4: Simplify right side
    9,963.30x = 85,178,304.02
  5. Step 5: Solve for x
    x = 85,178,304.02/9,963.30
  6. Step 6: Final answer
    x = 8,549.20

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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.