Home / 10,696.20-16,052.40-6,997.20

Finding the Fourth Proportional to 10,696.20, 16,052.40 and 6,997.20

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Solution

The fourth proportional to 10,696.20, 16,052.40 and 6,997.20 is: 10,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.20 : 16,052.40 = 6,997.20 : x
  2. Step 2: Convert to fraction form
    10,696.20/16,052.40 = 6,997.20/x
  3. Step 3: Cross multiply
    10,696.20x = 16,052.40 × 6,997.20
  4. Step 4: Simplify right side
    10,696.20x = 112,321,853.28
  5. Step 5: Solve for x
    x = 112,321,853.28/10,696.20
  6. Step 6: Final answer
    x = 10,501.10

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1.5x scale

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.