Home / 12,594.74-18,889.38-5,197.28

Finding the Fourth Proportional to 12,594.74, 18,889.38 and 5,197.28

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Solution

The fourth proportional to 12,594.74, 18,889.38 and 5,197.28 is: 7,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.74 : 18,889.38 = 5,197.28 : x
  2. Step 2: Convert to fraction form
    12,594.74/18,889.38 = 5,197.28/x
  3. Step 3: Cross multiply
    12,594.74x = 18,889.38 × 5,197.28
  4. Step 4: Simplify right side
    12,594.74x = 98,173,302.44
  5. Step 5: Solve for x
    x = 98,173,302.44/12,594.74
  6. Step 6: Final answer
    x = 7,794.79

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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.