Home / 10,818.75-16,228.23-4,245.60

Finding the Fourth Proportional to 10,818.75, 16,228.23 and 4,245.60

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Solution

The fourth proportional to 10,818.75, 16,228.23 and 4,245.60 is: 6,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.75 : 16,228.23 = 4,245.60 : x
  2. Step 2: Convert to fraction form
    10,818.75/16,228.23 = 4,245.60/x
  3. Step 3: Cross multiply
    10,818.75x = 16,228.23 × 4,245.60
  4. Step 4: Simplify right side
    10,818.75x = 68,898,573.29
  5. Step 5: Solve for x
    x = 68,898,573.29/10,818.75
  6. Step 6: Final answer
    x = 6,368.44

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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.