Home / 7,327.92-10,112.40-4,183.68

Finding the Fourth Proportional to 7,327.92, 10,112.40 and 4,183.68

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Solution

The fourth proportional to 7,327.92, 10,112.40 and 4,183.68 is: 5,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.92 : 10,112.40 = 4,183.68 : x
  2. Step 2: Convert to fraction form
    7,327.92/10,112.40 = 4,183.68/x
  3. Step 3: Cross multiply
    7,327.92x = 10,112.40 × 4,183.68
  4. Step 4: Simplify right side
    7,327.92x = 42,307,045.63
  5. Step 5: Solve for x
    x = 42,307,045.63/7,327.92
  6. Step 6: Final answer
    x = 5,773.40

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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.