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Finding the Fourth Proportional to 8,125.16, 11,212.02 and 4,588.16

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Solution

The fourth proportional to 8,125.16, 11,212.02 and 4,588.16 is: 6,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.16 : 11,212.02 = 4,588.16 : x
  2. Step 2: Convert to fraction form
    8,125.16/11,212.02 = 4,588.16/x
  3. Step 3: Cross multiply
    8,125.16x = 11,212.02 × 4,588.16
  4. Step 4: Simplify right side
    8,125.16x = 51,442,485.62
  5. Step 5: Solve for x
    x = 51,442,485.62/8,125.16
  6. Step 6: Final answer
    x = 6,331.26

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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.