Home / 7,983.72-11,017.88-4,446.93

Finding the Fourth Proportional to 7,983.72, 11,017.88 and 4,446.93

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Solution

The fourth proportional to 7,983.72, 11,017.88 and 4,446.93 is: 6,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.72 : 11,017.88 = 4,446.93 : x
  2. Step 2: Convert to fraction form
    7,983.72/11,017.88 = 4,446.93/x
  3. Step 3: Cross multiply
    7,983.72x = 11,017.88 × 4,446.93
  4. Step 4: Simplify right side
    7,983.72x = 48,995,718.87
  5. Step 5: Solve for x
    x = 48,995,718.87/7,983.72
  6. Step 6: Final answer
    x = 6,136.95

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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.