Home / 10,717.49-16,078.63-3,322.01

Finding the Fourth Proportional to 10,717.49, 16,078.63 and 3,322.01

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Solution

The fourth proportional to 10,717.49, 16,078.63 and 3,322.01 is: 4,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.49 : 16,078.63 = 3,322.01 : x
  2. Step 2: Convert to fraction form
    10,717.49/16,078.63 = 3,322.01/x
  3. Step 3: Cross multiply
    10,717.49x = 16,078.63 × 3,322.01
  4. Step 4: Simplify right side
    10,717.49x = 53,413,398.42
  5. Step 5: Solve for x
    x = 53,413,398.42/10,717.49
  6. Step 6: Final answer
    x = 4,983.76

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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.