Home / 10,992.60-15,169.68-6,800.04

Finding the Fourth Proportional to 10,992.60, 15,169.68 and 6,800.04

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Solution

The fourth proportional to 10,992.60, 15,169.68 and 6,800.04 is: 9,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.60 : 15,169.68 = 6,800.04 : x
  2. Step 2: Convert to fraction form
    10,992.60/15,169.68 = 6,800.04/x
  3. Step 3: Cross multiply
    10,992.60x = 15,169.68 × 6,800.04
  4. Step 4: Simplify right side
    10,992.60x = 103,154,430.79
  5. Step 5: Solve for x
    x = 103,154,430.79/10,992.60
  6. Step 6: Final answer
    x = 9,383.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.