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Finding the Fourth Proportional to 10,961.04, 15,126.16 and 5,993.04

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Solution

The fourth proportional to 10,961.04, 15,126.16 and 5,993.04 is: 8,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.04 : 15,126.16 = 5,993.04 : x
  2. Step 2: Convert to fraction form
    10,961.04/15,126.16 = 5,993.04/x
  3. Step 3: Cross multiply
    10,961.04x = 15,126.16 × 5,993.04
  4. Step 4: Simplify right side
    10,961.04x = 90,651,681.93
  5. Step 5: Solve for x
    x = 90,651,681.93/10,961.04
  6. Step 6: Final answer
    x = 8,270.35

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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.