Home / 8,151.85-11,247.93-4,963.02

Finding the Fourth Proportional to 8,151.85, 11,247.93 and 4,963.02

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Solution

The fourth proportional to 8,151.85, 11,247.93 and 4,963.02 is: 6,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.85 : 11,247.93 = 4,963.02 : x
  2. Step 2: Convert to fraction form
    8,151.85/11,247.93 = 4,963.02/x
  3. Step 3: Cross multiply
    8,151.85x = 11,247.93 × 4,963.02
  4. Step 4: Simplify right side
    8,151.85x = 55,823,701.55
  5. Step 5: Solve for x
    x = 55,823,701.55/8,151.85
  6. Step 6: Final answer
    x = 6,847.98

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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.