Home / 10,836.20-16,228.70-7,354.60

Finding the Fourth Proportional to 10,836.20, 16,228.70 and 7,354.60

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Solution

The fourth proportional to 10,836.20, 16,228.70 and 7,354.60 is: 11,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.20 : 16,228.70 = 7,354.60 : x
  2. Step 2: Convert to fraction form
    10,836.20/16,228.70 = 7,354.60/x
  3. Step 3: Cross multiply
    10,836.20x = 16,228.70 × 7,354.60
  4. Step 4: Simplify right side
    10,836.20x = 119,355,597.02
  5. Step 5: Solve for x
    x = 119,355,597.02/10,836.20
  6. Step 6: Final answer
    x = 11,014.53

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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.