Home / 8,771.28-12,108.16-5,946.84

Finding the Fourth Proportional to 8,771.28, 12,108.16 and 5,946.84

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Solution

The fourth proportional to 8,771.28, 12,108.16 and 5,946.84 is: 8,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.28 : 12,108.16 = 5,946.84 : x
  2. Step 2: Convert to fraction form
    8,771.28/12,108.16 = 5,946.84/x
  3. Step 3: Cross multiply
    8,771.28x = 12,108.16 × 5,946.84
  4. Step 4: Simplify right side
    8,771.28x = 72,005,290.21
  5. Step 5: Solve for x
    x = 72,005,290.21/8,771.28
  6. Step 6: Final answer
    x = 8,209.21

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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.