Home / 7,134.48-9,845.73-4,150.80

Finding the Fourth Proportional to 7,134.48, 9,845.73 and 4,150.80

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Solution

The fourth proportional to 7,134.48, 9,845.73 and 4,150.80 is: 5,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.48 : 9,845.73 = 4,150.80 : x
  2. Step 2: Convert to fraction form
    7,134.48/9,845.73 = 4,150.80/x
  3. Step 3: Cross multiply
    7,134.48x = 9,845.73 × 4,150.80
  4. Step 4: Simplify right side
    7,134.48x = 40,867,656.08
  5. Step 5: Solve for x
    x = 40,867,656.08/7,134.48
  6. Step 6: Final answer
    x = 5,728.19

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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.