Home / 12,725.52-19,088.28-3,491.52

Finding the Fourth Proportional to 12,725.52, 19,088.28 and 3,491.52

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Solution

The fourth proportional to 12,725.52, 19,088.28 and 3,491.52 is: 5,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.52 : 19,088.28 = 3,491.52 : x
  2. Step 2: Convert to fraction form
    12,725.52/19,088.28 = 3,491.52/x
  3. Step 3: Cross multiply
    12,725.52x = 19,088.28 × 3,491.52
  4. Step 4: Simplify right side
    12,725.52x = 66,647,111.39
  5. Step 5: Solve for x
    x = 66,647,111.39/12,725.52
  6. Step 6: Final answer
    x = 5,237.28

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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.