Home / 10,792.35-16,182.81-3,394.80

Finding the Fourth Proportional to 10,792.35, 16,182.81 and 3,394.80

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Solution

The fourth proportional to 10,792.35, 16,182.81 and 3,394.80 is: 5,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.35 : 16,182.81 = 3,394.80 : x
  2. Step 2: Convert to fraction form
    10,792.35/16,182.81 = 3,394.80/x
  3. Step 3: Cross multiply
    10,792.35x = 16,182.81 × 3,394.80
  4. Step 4: Simplify right side
    10,792.35x = 54,937,403.39
  5. Step 5: Solve for x
    x = 54,937,403.39/10,792.35
  6. Step 6: Final answer
    x = 5,090.40

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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.