Home / 10,907.79-16,347.95-4,660.43

Finding the Fourth Proportional to 10,907.79, 16,347.95 and 4,660.43

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Solution

The fourth proportional to 10,907.79, 16,347.95 and 4,660.43 is: 6,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.79 : 16,347.95 = 4,660.43 : x
  2. Step 2: Convert to fraction form
    10,907.79/16,347.95 = 4,660.43/x
  3. Step 3: Cross multiply
    10,907.79x = 16,347.95 × 4,660.43
  4. Step 4: Simplify right side
    10,907.79x = 76,188,371.58
  5. Step 5: Solve for x
    x = 76,188,371.58/10,907.79
  6. Step 6: Final answer
    x = 6,984.77

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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.