Home / 12,182.06-18,273.47-3,416.99

Finding the Fourth Proportional to 12,182.06, 18,273.47 and 3,416.99

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Solution

The fourth proportional to 12,182.06, 18,273.47 and 3,416.99 is: 5,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.06 : 18,273.47 = 3,416.99 : x
  2. Step 2: Convert to fraction form
    12,182.06/18,273.47 = 3,416.99/x
  3. Step 3: Cross multiply
    12,182.06x = 18,273.47 × 3,416.99
  4. Step 4: Simplify right side
    12,182.06x = 62,440,155.80
  5. Step 5: Solve for x
    x = 62,440,155.80/12,182.06
  6. Step 6: Final answer
    x = 5,125.58

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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.