Home / 12,975.48-19,463.07-5,078.73

Finding the Fourth Proportional to 12,975.48, 19,463.07 and 5,078.73

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Solution

The fourth proportional to 12,975.48, 19,463.07 and 5,078.73 is: 7,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.48 : 19,463.07 = 5,078.73 : x
  2. Step 2: Convert to fraction form
    12,975.48/19,463.07 = 5,078.73/x
  3. Step 3: Cross multiply
    12,975.48x = 19,463.07 × 5,078.73
  4. Step 4: Simplify right side
    12,975.48x = 98,847,677.50
  5. Step 5: Solve for x
    x = 98,847,677.50/12,975.48
  6. Step 6: Final answer
    x = 7,618.04

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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.