Home / 10,986.41-16,465.90-5,359.44

Finding the Fourth Proportional to 10,986.41, 16,465.90 and 5,359.44

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Solution

The fourth proportional to 10,986.41, 16,465.90 and 5,359.44 is: 8,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.41 : 16,465.90 = 5,359.44 : x
  2. Step 2: Convert to fraction form
    10,986.41/16,465.90 = 5,359.44/x
  3. Step 3: Cross multiply
    10,986.41x = 16,465.90 × 5,359.44
  4. Step 4: Simplify right side
    10,986.41x = 88,247,907.37
  5. Step 5: Solve for x
    x = 88,247,907.37/10,986.41
  6. Step 6: Final answer
    x = 8,032.46

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1.5x scale

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.