Home / 7,386.72-10,193.34-4,029.38

Finding the Fourth Proportional to 7,386.72, 10,193.34 and 4,029.38

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Solution

The fourth proportional to 7,386.72, 10,193.34 and 4,029.38 is: 5,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.72 : 10,193.34 = 4,029.38 : x
  2. Step 2: Convert to fraction form
    7,386.72/10,193.34 = 4,029.38/x
  3. Step 3: Cross multiply
    7,386.72x = 10,193.34 × 4,029.38
  4. Step 4: Simplify right side
    7,386.72x = 41,072,789.36
  5. Step 5: Solve for x
    x = 41,072,789.36/7,386.72
  6. Step 6: Final answer
    x = 5,560.36

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Half scale
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Double scale
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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.