Home / 9,961.88-13,746.12-5,983.70

Finding the Fourth Proportional to 9,961.88, 13,746.12 and 5,983.70

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Solution

The fourth proportional to 9,961.88, 13,746.12 and 5,983.70 is: 8,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.88 : 13,746.12 = 5,983.70 : x
  2. Step 2: Convert to fraction form
    9,961.88/13,746.12 = 5,983.70/x
  3. Step 3: Cross multiply
    9,961.88x = 13,746.12 × 5,983.70
  4. Step 4: Simplify right side
    9,961.88x = 82,252,658.24
  5. Step 5: Solve for x
    x = 82,252,658.24/9,961.88
  6. Step 6: Final answer
    x = 8,256.74

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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.