Home / 10,866.18-16,299.40-3,470.60

Finding the Fourth Proportional to 10,866.18, 16,299.40 and 3,470.60

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Solution

The fourth proportional to 10,866.18, 16,299.40 and 3,470.60 is: 5,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.18 : 16,299.40 = 3,470.60 : x
  2. Step 2: Convert to fraction form
    10,866.18/16,299.40 = 3,470.60/x
  3. Step 3: Cross multiply
    10,866.18x = 16,299.40 × 3,470.60
  4. Step 4: Simplify right side
    10,866.18x = 56,568,697.64
  5. Step 5: Solve for x
    x = 56,568,697.64/10,866.18
  6. Step 6: Final answer
    x = 5,205.94

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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.