Home / 10,718.80-16,077.02-2,822.10

Finding the Fourth Proportional to 10,718.80, 16,077.02 and 2,822.10

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Solution

The fourth proportional to 10,718.80, 16,077.02 and 2,822.10 is: 4,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.80 : 16,077.02 = 2,822.10 : x
  2. Step 2: Convert to fraction form
    10,718.80/16,077.02 = 2,822.10/x
  3. Step 3: Cross multiply
    10,718.80x = 16,077.02 × 2,822.10
  4. Step 4: Simplify right side
    10,718.80x = 45,370,958.14
  5. Step 5: Solve for x
    x = 45,370,958.14/10,718.80
  6. Step 6: Final answer
    x = 4,232.84

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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.