Home / 8,951.06-13,398.87-7,622.45

Finding the Fourth Proportional to 8,951.06, 13,398.87 and 7,622.45

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Solution

The fourth proportional to 8,951.06, 13,398.87 and 7,622.45 is: 11,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.06 : 13,398.87 = 7,622.45 : x
  2. Step 2: Convert to fraction form
    8,951.06/13,398.87 = 7,622.45/x
  3. Step 3: Cross multiply
    8,951.06x = 13,398.87 × 7,622.45
  4. Step 4: Simplify right side
    8,951.06x = 102,132,260.96
  5. Step 5: Solve for x
    x = 102,132,260.96/8,951.06
  6. Step 6: Final answer
    x = 11,410.08

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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.