Home / 7,382.13-10,187.33-4,238.92

Finding the Fourth Proportional to 7,382.13, 10,187.33 and 4,238.92

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Solution

The fourth proportional to 7,382.13, 10,187.33 and 4,238.92 is: 5,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.13 : 10,187.33 = 4,238.92 : x
  2. Step 2: Convert to fraction form
    7,382.13/10,187.33 = 4,238.92/x
  3. Step 3: Cross multiply
    7,382.13x = 10,187.33 × 4,238.92
  4. Step 4: Simplify right side
    7,382.13x = 43,183,276.88
  5. Step 5: Solve for x
    x = 43,183,276.88/7,382.13
  6. Step 6: Final answer
    x = 5,849.70

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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.