Home / 12,121.48-18,184.26-6,200.93

Finding the Fourth Proportional to 12,121.48, 18,184.26 and 6,200.93

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Solution

The fourth proportional to 12,121.48, 18,184.26 and 6,200.93 is: 9,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121.48 : 18,184.26 = 6,200.93 : x
  2. Step 2: Convert to fraction form
    12,121.48/18,184.26 = 6,200.93/x
  3. Step 3: Cross multiply
    12,121.48x = 18,184.26 × 6,200.93
  4. Step 4: Simplify right side
    12,121.48x = 112,759,392.08
  5. Step 5: Solve for x
    x = 112,759,392.08/12,121.48
  6. Step 6: Final answer
    x = 9,302.44

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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.