Home / 7,382.28-10,187.13-4,238.25

Finding the Fourth Proportional to 7,382.28, 10,187.13 and 4,238.25

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Solution

The fourth proportional to 7,382.28, 10,187.13 and 4,238.25 is: 5,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.28 : 10,187.13 = 4,238.25 : x
  2. Step 2: Convert to fraction form
    7,382.28/10,187.13 = 4,238.25/x
  3. Step 3: Cross multiply
    7,382.28x = 10,187.13 × 4,238.25
  4. Step 4: Simplify right side
    7,382.28x = 43,175,603.72
  5. Step 5: Solve for x
    x = 43,175,603.72/7,382.28
  6. Step 6: Final answer
    x = 5,848.55

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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.