Home / 9,513.82-13,135.53-5,930.21

Finding the Fourth Proportional to 9,513.82, 13,135.53 and 5,930.21

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Solution

The fourth proportional to 9,513.82, 13,135.53 and 5,930.21 is: 8,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.82 : 13,135.53 = 5,930.21 : x
  2. Step 2: Convert to fraction form
    9,513.82/13,135.53 = 5,930.21/x
  3. Step 3: Cross multiply
    9,513.82x = 13,135.53 × 5,930.21
  4. Step 4: Simplify right side
    9,513.82x = 77,896,506.44
  5. Step 5: Solve for x
    x = 77,896,506.44/9,513.82
  6. Step 6: Final answer
    x = 8,187.72

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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.