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Finding the Fourth Proportional to 6,513.36, 9,774.90 and 5,230.32

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Solution

The fourth proportional to 6,513.36, 9,774.90 and 5,230.32 is: 7,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.36 : 9,774.90 = 5,230.32 : x
  2. Step 2: Convert to fraction form
    6,513.36/9,774.90 = 5,230.32/x
  3. Step 3: Cross multiply
    6,513.36x = 9,774.90 × 5,230.32
  4. Step 4: Simplify right side
    6,513.36x = 51,125,854.97
  5. Step 5: Solve for x
    x = 51,125,854.97/6,513.36
  6. Step 6: Final answer
    x = 7,849.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.