Home / 8,660.63-11,951.50-4,883.72

Finding the Fourth Proportional to 8,660.63, 11,951.50 and 4,883.72

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Solution

The fourth proportional to 8,660.63, 11,951.50 and 4,883.72 is: 6,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.63 : 11,951.50 = 4,883.72 : x
  2. Step 2: Convert to fraction form
    8,660.63/11,951.50 = 4,883.72/x
  3. Step 3: Cross multiply
    8,660.63x = 11,951.50 × 4,883.72
  4. Step 4: Simplify right side
    8,660.63x = 58,367,826.01
  5. Step 5: Solve for x
    x = 58,367,826.01/8,660.63
  6. Step 6: Final answer
    x = 6,739.45

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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.