Home / 7,438.56-11,158.37-2,506.56

Finding the Fourth Proportional to 7,438.56, 11,158.37 and 2,506.56

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Solution

The fourth proportional to 7,438.56, 11,158.37 and 2,506.56 is: 3,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.56 : 11,158.37 = 2,506.56 : x
  2. Step 2: Convert to fraction form
    7,438.56/11,158.37 = 2,506.56/x
  3. Step 3: Cross multiply
    7,438.56x = 11,158.37 × 2,506.56
  4. Step 4: Simplify right side
    7,438.56x = 27,969,123.91
  5. Step 5: Solve for x
    x = 27,969,123.91/7,438.56
  6. Step 6: Final answer
    x = 3,760.02

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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.