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Finding the Fourth Proportional to 7,896.32, 11,843.04 and 3,510.08

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Solution

The fourth proportional to 7,896.32, 11,843.04 and 3,510.08 is: 5,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.32 : 11,843.04 = 3,510.08 : x
  2. Step 2: Convert to fraction form
    7,896.32/11,843.04 = 3,510.08/x
  3. Step 3: Cross multiply
    7,896.32x = 11,843.04 × 3,510.08
  4. Step 4: Simplify right side
    7,896.32x = 41,570,017.84
  5. Step 5: Solve for x
    x = 41,570,017.84/7,896.32
  6. Step 6: Final answer
    x = 5,264.48

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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.