Home / 7,372.43-11,047.70-5,415.06

Finding the Fourth Proportional to 7,372.43, 11,047.70 and 5,415.06

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Solution

The fourth proportional to 7,372.43, 11,047.70 and 5,415.06 is: 8,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.43 : 11,047.70 = 5,415.06 : x
  2. Step 2: Convert to fraction form
    7,372.43/11,047.70 = 5,415.06/x
  3. Step 3: Cross multiply
    7,372.43x = 11,047.70 × 5,415.06
  4. Step 4: Simplify right side
    7,372.43x = 59,823,977.18
  5. Step 5: Solve for x
    x = 59,823,977.18/7,372.43
  6. Step 6: Final answer
    x = 8,114.56

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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.