Home / 8,905.06-12,288.36-4,925.80

Finding the Fourth Proportional to 8,905.06, 12,288.36 and 4,925.80

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Solution

The fourth proportional to 8,905.06, 12,288.36 and 4,925.80 is: 6,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.06 : 12,288.36 = 4,925.80 : x
  2. Step 2: Convert to fraction form
    8,905.06/12,288.36 = 4,925.80/x
  3. Step 3: Cross multiply
    8,905.06x = 12,288.36 × 4,925.80
  4. Step 4: Simplify right side
    8,905.06x = 60,530,003.69
  5. Step 5: Solve for x
    x = 60,530,003.69/8,905.06
  6. Step 6: Final answer
    x = 6,797.26

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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.