Home / 11,056.60-16,589.70-5,210.20

Finding the Fourth Proportional to 11,056.60, 16,589.70 and 5,210.20

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Solution

The fourth proportional to 11,056.60, 16,589.70 and 5,210.20 is: 7,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.60 : 16,589.70 = 5,210.20 : x
  2. Step 2: Convert to fraction form
    11,056.60/16,589.70 = 5,210.20/x
  3. Step 3: Cross multiply
    11,056.60x = 16,589.70 × 5,210.20
  4. Step 4: Simplify right side
    11,056.60x = 86,435,654.94
  5. Step 5: Solve for x
    x = 86,435,654.94/11,056.60
  6. Step 6: Final answer
    x = 7,817.56

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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.