Home / 10,817.60-16,226.40-6,132.80

Finding the Fourth Proportional to 10,817.60, 16,226.40 and 6,132.80

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Solution

The fourth proportional to 10,817.60, 16,226.40 and 6,132.80 is: 9,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.60 : 16,226.40 = 6,132.80 : x
  2. Step 2: Convert to fraction form
    10,817.60/16,226.40 = 6,132.80/x
  3. Step 3: Cross multiply
    10,817.60x = 16,226.40 × 6,132.80
  4. Step 4: Simplify right side
    10,817.60x = 99,513,265.92
  5. Step 5: Solve for x
    x = 99,513,265.92/10,817.60
  6. Step 6: Final answer
    x = 9,199.20

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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.