Home / 8,847.36-12,202.52-6,456.98

Finding the Fourth Proportional to 8,847.36, 12,202.52 and 6,456.98

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Solution

The fourth proportional to 8,847.36, 12,202.52 and 6,456.98 is: 8,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.36 : 12,202.52 = 6,456.98 : x
  2. Step 2: Convert to fraction form
    8,847.36/12,202.52 = 6,456.98/x
  3. Step 3: Cross multiply
    8,847.36x = 12,202.52 × 6,456.98
  4. Step 4: Simplify right side
    8,847.36x = 78,791,425.81
  5. Step 5: Solve for x
    x = 78,791,425.81/8,847.36
  6. Step 6: Final answer
    x = 8,905.64

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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.