Home / 8,921.10-12,306.58-5,933.10

Finding the Fourth Proportional to 8,921.10, 12,306.58 and 5,933.10

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Solution

The fourth proportional to 8,921.10, 12,306.58 and 5,933.10 is: 8,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.10 : 12,306.58 = 5,933.10 : x
  2. Step 2: Convert to fraction form
    8,921.10/12,306.58 = 5,933.10/x
  3. Step 3: Cross multiply
    8,921.10x = 12,306.58 × 5,933.10
  4. Step 4: Simplify right side
    8,921.10x = 73,016,169.80
  5. Step 5: Solve for x
    x = 73,016,169.80/8,921.10
  6. Step 6: Final answer
    x = 8,184.66

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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.