Home / 11,123.39-15,352.00-6,343.34

Finding the Fourth Proportional to 11,123.39, 15,352.00 and 6,343.34

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Solution

The fourth proportional to 11,123.39, 15,352.00 and 6,343.34 is: 8,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.39 : 15,352.00 = 6,343.34 : x
  2. Step 2: Convert to fraction form
    11,123.39/15,352.00 = 6,343.34/x
  3. Step 3: Cross multiply
    11,123.39x = 15,352.00 × 6,343.34
  4. Step 4: Simplify right side
    11,123.39x = 97,382,923.96
  5. Step 5: Solve for x
    x = 97,382,923.96/11,123.39
  6. Step 6: Final answer
    x = 8,754.79

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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.