Home / 8,832.45-12,188.76-5,055.63

Finding the Fourth Proportional to 8,832.45, 12,188.76 and 5,055.63

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Solution

The fourth proportional to 8,832.45, 12,188.76 and 5,055.63 is: 6,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.45 : 12,188.76 = 5,055.63 : x
  2. Step 2: Convert to fraction form
    8,832.45/12,188.76 = 5,055.63/x
  3. Step 3: Cross multiply
    8,832.45x = 12,188.76 × 5,055.63
  4. Step 4: Simplify right side
    8,832.45x = 61,621,860.72
  5. Step 5: Solve for x
    x = 61,621,860.72/8,832.45
  6. Step 6: Final answer
    x = 6,976.76

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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.