Home / 11,902.40-16,424.64-6,597.20

Finding the Fourth Proportional to 11,902.40, 16,424.64 and 6,597.20

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Solution

The fourth proportional to 11,902.40, 16,424.64 and 6,597.20 is: 9,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.40 : 16,424.64 = 6,597.20 : x
  2. Step 2: Convert to fraction form
    11,902.40/16,424.64 = 6,597.20/x
  3. Step 3: Cross multiply
    11,902.40x = 16,424.64 × 6,597.20
  4. Step 4: Simplify right side
    11,902.40x = 108,356,635.01
  5. Step 5: Solve for x
    x = 108,356,635.01/11,902.40
  6. Step 6: Final answer
    x = 9,103.76

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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.