Home / 12,173.47-18,260.81-3,409.27

Finding the Fourth Proportional to 12,173.47, 18,260.81 and 3,409.27

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Solution

The fourth proportional to 12,173.47, 18,260.81 and 3,409.27 is: 5,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.47 : 18,260.81 = 3,409.27 : x
  2. Step 2: Convert to fraction form
    12,173.47/18,260.81 = 3,409.27/x
  3. Step 3: Cross multiply
    12,173.47x = 18,260.81 × 3,409.27
  4. Step 4: Simplify right side
    12,173.47x = 62,256,031.71
  5. Step 5: Solve for x
    x = 62,256,031.71/12,173.47
  6. Step 6: Final answer
    x = 5,114.07

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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.