Home / 7,346.82-10,139.22-4,203.62

Finding the Fourth Proportional to 7,346.82, 10,139.22 and 4,203.62

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Solution

The fourth proportional to 7,346.82, 10,139.22 and 4,203.62 is: 5,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.82 : 10,139.22 = 4,203.62 : x
  2. Step 2: Convert to fraction form
    7,346.82/10,139.22 = 4,203.62/x
  3. Step 3: Cross multiply
    7,346.82x = 10,139.22 × 4,203.62
  4. Step 4: Simplify right side
    7,346.82x = 42,621,377.28
  5. Step 5: Solve for x
    x = 42,621,377.28/7,346.82
  6. Step 6: Final answer
    x = 5,801.34

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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.