Home / 12,182.03-18,274.95-5,162.06

Finding the Fourth Proportional to 12,182.03, 18,274.95 and 5,162.06

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Solution

The fourth proportional to 12,182.03, 18,274.95 and 5,162.06 is: 7,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.03 : 18,274.95 = 5,162.06 : x
  2. Step 2: Convert to fraction form
    12,182.03/18,274.95 = 5,162.06/x
  3. Step 3: Cross multiply
    12,182.03x = 18,274.95 × 5,162.06
  4. Step 4: Simplify right side
    12,182.03x = 94,336,388.40
  5. Step 5: Solve for x
    x = 94,336,388.40/12,182.03
  6. Step 6: Final answer
    x = 7,743.90

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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.