Home / 7,372.24-10,182.54-5,379.64

Finding the Fourth Proportional to 7,372.24, 10,182.54 and 5,379.64

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Solution

The fourth proportional to 7,372.24, 10,182.54 and 5,379.64 is: 7,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.24 : 10,182.54 = 5,379.64 : x
  2. Step 2: Convert to fraction form
    7,372.24/10,182.54 = 5,379.64/x
  3. Step 3: Cross multiply
    7,372.24x = 10,182.54 × 5,379.64
  4. Step 4: Simplify right side
    7,372.24x = 54,778,399.49
  5. Step 5: Solve for x
    x = 54,778,399.49/7,372.24
  6. Step 6: Final answer
    x = 7,430.36

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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.