Home / 7,382.56-10,187.66-4,238.50

Finding the Fourth Proportional to 7,382.56, 10,187.66 and 4,238.50

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Solution

The fourth proportional to 7,382.56, 10,187.66 and 4,238.50 is: 5,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.56 : 10,187.66 = 4,238.50 : x
  2. Step 2: Convert to fraction form
    7,382.56/10,187.66 = 4,238.50/x
  3. Step 3: Cross multiply
    7,382.56x = 10,187.66 × 4,238.50
  4. Step 4: Simplify right side
    7,382.56x = 43,180,396.91
  5. Step 5: Solve for x
    x = 43,180,396.91/7,382.56
  6. Step 6: Final answer
    x = 5,848.97

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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.