Home / 8,045.52-11,103.16-4,687.80

Finding the Fourth Proportional to 8,045.52, 11,103.16 and 4,687.80

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Solution

The fourth proportional to 8,045.52, 11,103.16 and 4,687.80 is: 6,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.52 : 11,103.16 = 4,687.80 : x
  2. Step 2: Convert to fraction form
    8,045.52/11,103.16 = 4,687.80/x
  3. Step 3: Cross multiply
    8,045.52x = 11,103.16 × 4,687.80
  4. Step 4: Simplify right side
    8,045.52x = 52,049,393.45
  5. Step 5: Solve for x
    x = 52,049,393.45/8,045.52
  6. Step 6: Final answer
    x = 6,469.36

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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.