Home / 10,718.67-16,078.74-3,322.16

Finding the Fourth Proportional to 10,718.67, 16,078.74 and 3,322.16

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Solution

The fourth proportional to 10,718.67, 16,078.74 and 3,322.16 is: 4,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.67 : 16,078.74 = 3,322.16 : x
  2. Step 2: Convert to fraction form
    10,718.67/16,078.74 = 3,322.16/x
  3. Step 3: Cross multiply
    10,718.67x = 16,078.74 × 3,322.16
  4. Step 4: Simplify right side
    10,718.67x = 53,416,066.48
  5. Step 5: Solve for x
    x = 53,416,066.48/10,718.67
  6. Step 6: Final answer
    x = 4,983.46

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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.