Home / 10,971.54-16,433.55-6,812.55

Finding the Fourth Proportional to 10,971.54, 16,433.55 and 6,812.55

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Solution

The fourth proportional to 10,971.54, 16,433.55 and 6,812.55 is: 10,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.54 : 16,433.55 = 6,812.55 : x
  2. Step 2: Convert to fraction form
    10,971.54/16,433.55 = 6,812.55/x
  3. Step 3: Cross multiply
    10,971.54x = 16,433.55 × 6,812.55
  4. Step 4: Simplify right side
    10,971.54x = 111,954,381.05
  5. Step 5: Solve for x
    x = 111,954,381.05/10,971.54
  6. Step 6: Final answer
    x = 10,204.07

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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.