Home / 10,975.41-16,424.84-8,977.95

Finding the Fourth Proportional to 10,975.41, 16,424.84 and 8,977.95

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Solution

The fourth proportional to 10,975.41, 16,424.84 and 8,977.95 is: 13,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.41 : 16,424.84 = 8,977.95 : x
  2. Step 2: Convert to fraction form
    10,975.41/16,424.84 = 8,977.95/x
  3. Step 3: Cross multiply
    10,975.41x = 16,424.84 × 8,977.95
  4. Step 4: Simplify right side
    10,975.41x = 147,461,414.72
  5. Step 5: Solve for x
    x = 147,461,414.72/10,975.41
  6. Step 6: Final answer
    x = 13,435.62

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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.