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Finding the Fourth Proportional to 8,951.80, 12,353.77 and 4,973.23

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Solution

The fourth proportional to 8,951.80, 12,353.77 and 4,973.23 is: 6,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.80 : 12,353.77 = 4,973.23 : x
  2. Step 2: Convert to fraction form
    8,951.80/12,353.77 = 4,973.23/x
  3. Step 3: Cross multiply
    8,951.80x = 12,353.77 × 4,973.23
  4. Step 4: Simplify right side
    8,951.80x = 61,438,133.26
  5. Step 5: Solve for x
    x = 61,438,133.26/8,951.80
  6. Step 6: Final answer
    x = 6,863.22

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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.