Home / 7,945.29-10,963.98-4,408.38

Finding the Fourth Proportional to 7,945.29, 10,963.98 and 4,408.38

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Solution

The fourth proportional to 7,945.29, 10,963.98 and 4,408.38 is: 6,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.29 : 10,963.98 = 4,408.38 : x
  2. Step 2: Convert to fraction form
    7,945.29/10,963.98 = 4,408.38/x
  3. Step 3: Cross multiply
    7,945.29x = 10,963.98 × 4,408.38
  4. Step 4: Simplify right side
    7,945.29x = 48,333,390.15
  5. Step 5: Solve for x
    x = 48,333,390.15/7,945.29
  6. Step 6: Final answer
    x = 6,083.28

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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.