Home / 8,558.18-11,810.17-4,781.42

Finding the Fourth Proportional to 8,558.18, 11,810.17 and 4,781.42

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Solution

The fourth proportional to 8,558.18, 11,810.17 and 4,781.42 is: 6,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.18 : 11,810.17 = 4,781.42 : x
  2. Step 2: Convert to fraction form
    8,558.18/11,810.17 = 4,781.42/x
  3. Step 3: Cross multiply
    8,558.18x = 11,810.17 × 4,781.42
  4. Step 4: Simplify right side
    8,558.18x = 56,469,383.04
  5. Step 5: Solve for x
    x = 56,469,383.04/8,558.18
  6. Step 6: Final answer
    x = 6,598.29

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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.