Home / 12,594.72-18,890.64-3,360

Finding the Fourth Proportional to 12,594.72, 18,890.64 and 3,360

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Solution

The fourth proportional to 12,594.72, 18,890.64 and 3,360 is: 5,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.72 : 18,890.64 = 3,360 : x
  2. Step 2: Convert to fraction form
    12,594.72/18,890.64 = 3,360/x
  3. Step 3: Cross multiply
    12,594.72x = 18,890.64 × 3,360
  4. Step 4: Simplify right side
    12,594.72x = 63,472,550.40
  5. Step 5: Solve for x
    x = 63,472,550.40/12,594.72
  6. Step 6: Final answer
    x = 5,039.62

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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.