Home / 9,195.41-13,787.56-4,128.68

Finding the Fourth Proportional to 9,195.41, 13,787.56 and 4,128.68

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Solution

The fourth proportional to 9,195.41, 13,787.56 and 4,128.68 is: 6,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.41 : 13,787.56 = 4,128.68 : x
  2. Step 2: Convert to fraction form
    9,195.41/13,787.56 = 4,128.68/x
  3. Step 3: Cross multiply
    9,195.41x = 13,787.56 × 4,128.68
  4. Step 4: Simplify right side
    9,195.41x = 56,924,423.22
  5. Step 5: Solve for x
    x = 56,924,423.22/9,195.41
  6. Step 6: Final answer
    x = 6,190.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.