Home / 12,801.72-19,204.86-4,903.92

Finding the Fourth Proportional to 12,801.72, 19,204.86 and 4,903.92

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Solution

The fourth proportional to 12,801.72, 19,204.86 and 4,903.92 is: 7,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.72 : 19,204.86 = 4,903.92 : x
  2. Step 2: Convert to fraction form
    12,801.72/19,204.86 = 4,903.92/x
  3. Step 3: Cross multiply
    12,801.72x = 19,204.86 × 4,903.92
  4. Step 4: Simplify right side
    12,801.72x = 94,179,115.44
  5. Step 5: Solve for x
    x = 94,179,115.44/12,801.72
  6. Step 6: Final answer
    x = 7,356.75

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Double scale
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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.