Home / 12,474.69-18,719.51-4,976.93

Finding the Fourth Proportional to 12,474.69, 18,719.51 and 4,976.93

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Solution

The fourth proportional to 12,474.69, 18,719.51 and 4,976.93 is: 7,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.69 : 18,719.51 = 4,976.93 : x
  2. Step 2: Convert to fraction form
    12,474.69/18,719.51 = 4,976.93/x
  3. Step 3: Cross multiply
    12,474.69x = 18,719.51 × 4,976.93
  4. Step 4: Simplify right side
    12,474.69x = 93,165,572.42
  5. Step 5: Solve for x
    x = 93,165,572.42/12,474.69
  6. Step 6: Final answer
    x = 7,468.37

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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.