Home / 9,051.67-13,578.52-4,120.66

Finding the Fourth Proportional to 9,051.67, 13,578.52 and 4,120.66

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Solution

The fourth proportional to 9,051.67, 13,578.52 and 4,120.66 is: 6,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.67 : 13,578.52 = 4,120.66 : x
  2. Step 2: Convert to fraction form
    9,051.67/13,578.52 = 4,120.66/x
  3. Step 3: Cross multiply
    9,051.67x = 13,578.52 × 4,120.66
  4. Step 4: Simplify right side
    9,051.67x = 55,952,464.22
  5. Step 5: Solve for x
    x = 55,952,464.22/9,051.67
  6. Step 6: Final answer
    x = 6,181.45

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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.