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Finding the Fourth Proportional to 10,512.03, 15,768.15 and 6,126.69

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Solution

The fourth proportional to 10,512.03, 15,768.15 and 6,126.69 is: 9,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.03 : 15,768.15 = 6,126.69 : x
  2. Step 2: Convert to fraction form
    10,512.03/15,768.15 = 6,126.69/x
  3. Step 3: Cross multiply
    10,512.03x = 15,768.15 × 6,126.69
  4. Step 4: Simplify right side
    10,512.03x = 96,606,566.92
  5. Step 5: Solve for x
    x = 96,606,566.92/10,512.03
  6. Step 6: Final answer
    x = 9,190.10

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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.