Home / 9,873.21-13,618.67-5,891.25

Finding the Fourth Proportional to 9,873.21, 13,618.67 and 5,891.25

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Solution

The fourth proportional to 9,873.21, 13,618.67 and 5,891.25 is: 8,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.21 : 13,618.67 = 5,891.25 : x
  2. Step 2: Convert to fraction form
    9,873.21/13,618.67 = 5,891.25/x
  3. Step 3: Cross multiply
    9,873.21x = 13,618.67 × 5,891.25
  4. Step 4: Simplify right side
    9,873.21x = 80,230,960.18
  5. Step 5: Solve for x
    x = 80,230,960.18/9,873.21
  6. Step 6: Final answer
    x = 8,126.13

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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.