Home / 10,868.34-16,299.30-4,628.28

Finding the Fourth Proportional to 10,868.34, 16,299.30 and 4,628.28

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Solution

The fourth proportional to 10,868.34, 16,299.30 and 4,628.28 is: 6,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.34 : 16,299.30 = 4,628.28 : x
  2. Step 2: Convert to fraction form
    10,868.34/16,299.30 = 4,628.28/x
  3. Step 3: Cross multiply
    10,868.34x = 16,299.30 × 4,628.28
  4. Step 4: Simplify right side
    10,868.34x = 75,437,724.20
  5. Step 5: Solve for x
    x = 75,437,724.20/10,868.34
  6. Step 6: Final answer
    x = 6,941.05

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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.