Home / 10,812.06-16,207.56-5,265.18

Finding the Fourth Proportional to 10,812.06, 16,207.56 and 5,265.18

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Solution

The fourth proportional to 10,812.06, 16,207.56 and 5,265.18 is: 7,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.06 : 16,207.56 = 5,265.18 : x
  2. Step 2: Convert to fraction form
    10,812.06/16,207.56 = 5,265.18/x
  3. Step 3: Cross multiply
    10,812.06x = 16,207.56 × 5,265.18
  4. Step 4: Simplify right side
    10,812.06x = 85,335,720.76
  5. Step 5: Solve for x
    x = 85,335,720.76/10,812.06
  6. Step 6: Final answer
    x = 7,892.64

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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.