Home / 10,868.77-16,303.16-5,673.43

Finding the Fourth Proportional to 10,868.77, 16,303.16 and 5,673.43

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Solution

The fourth proportional to 10,868.77, 16,303.16 and 5,673.43 is: 8,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.77 : 16,303.16 = 5,673.43 : x
  2. Step 2: Convert to fraction form
    10,868.77/16,303.16 = 5,673.43/x
  3. Step 3: Cross multiply
    10,868.77x = 16,303.16 × 5,673.43
  4. Step 4: Simplify right side
    10,868.77x = 92,494,837.04
  5. Step 5: Solve for x
    x = 92,494,837.04/10,868.77
  6. Step 6: Final answer
    x = 8,510.15

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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.