Home / 9,675.69-13,350.11-6,137.61

Finding the Fourth Proportional to 9,675.69, 13,350.11 and 6,137.61

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Solution

The fourth proportional to 9,675.69, 13,350.11 and 6,137.61 is: 8,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.69 : 13,350.11 = 6,137.61 : x
  2. Step 2: Convert to fraction form
    9,675.69/13,350.11 = 6,137.61/x
  3. Step 3: Cross multiply
    9,675.69x = 13,350.11 × 6,137.61
  4. Step 4: Simplify right side
    9,675.69x = 81,937,768.64
  5. Step 5: Solve for x
    x = 81,937,768.64/9,675.69
  6. Step 6: Final answer
    x = 8,468.42

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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.