Home / 6,945.48-9,579.81-4,424.97

Finding the Fourth Proportional to 6,945.48, 9,579.81 and 4,424.97

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Solution

The fourth proportional to 6,945.48, 9,579.81 and 4,424.97 is: 6,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.48 : 9,579.81 = 4,424.97 : x
  2. Step 2: Convert to fraction form
    6,945.48/9,579.81 = 4,424.97/x
  3. Step 3: Cross multiply
    6,945.48x = 9,579.81 × 4,424.97
  4. Step 4: Simplify right side
    6,945.48x = 42,390,371.86
  5. Step 5: Solve for x
    x = 42,390,371.86/6,945.48
  6. Step 6: Final answer
    x = 6,103.30

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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.