Home / 7,440.54-11,150.40-3,487.56

Finding the Fourth Proportional to 7,440.54, 11,150.40 and 3,487.56

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Solution

The fourth proportional to 7,440.54, 11,150.40 and 3,487.56 is: 5,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.54 : 11,150.40 = 3,487.56 : x
  2. Step 2: Convert to fraction form
    7,440.54/11,150.40 = 3,487.56/x
  3. Step 3: Cross multiply
    7,440.54x = 11,150.40 × 3,487.56
  4. Step 4: Simplify right side
    7,440.54x = 38,887,689.02
  5. Step 5: Solve for x
    x = 38,887,689.02/7,440.54
  6. Step 6: Final answer
    x = 5,226.46

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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.