Home / 6,601.05-9,113.45-4,086.54

Finding the Fourth Proportional to 6,601.05, 9,113.45 and 4,086.54

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Solution

The fourth proportional to 6,601.05, 9,113.45 and 4,086.54 is: 5,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.05 : 9,113.45 = 4,086.54 : x
  2. Step 2: Convert to fraction form
    6,601.05/9,113.45 = 4,086.54/x
  3. Step 3: Cross multiply
    6,601.05x = 9,113.45 × 4,086.54
  4. Step 4: Simplify right side
    6,601.05x = 37,242,457.53
  5. Step 5: Solve for x
    x = 37,242,457.53/6,601.05
  6. Step 6: Final answer
    x = 5,641.90

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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.