Home / 8,904.58-12,288.44-5,548.75

Finding the Fourth Proportional to 8,904.58, 12,288.44 and 5,548.75

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Solution

The fourth proportional to 8,904.58, 12,288.44 and 5,548.75 is: 7,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.58 : 12,288.44 = 5,548.75 : x
  2. Step 2: Convert to fraction form
    8,904.58/12,288.44 = 5,548.75/x
  3. Step 3: Cross multiply
    8,904.58x = 12,288.44 × 5,548.75
  4. Step 4: Simplify right side
    8,904.58x = 68,185,481.45
  5. Step 5: Solve for x
    x = 68,185,481.45/8,904.58
  6. Step 6: Final answer
    x = 7,657.35

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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.