Home / 12,048.08-18,081.86-6,206.36

Finding the Fourth Proportional to 12,048.08, 18,081.86 and 6,206.36

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Solution

The fourth proportional to 12,048.08, 18,081.86 and 6,206.36 is: 9,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.08 : 18,081.86 = 6,206.36 : x
  2. Step 2: Convert to fraction form
    12,048.08/18,081.86 = 6,206.36/x
  3. Step 3: Cross multiply
    12,048.08x = 18,081.86 × 6,206.36
  4. Step 4: Simplify right side
    12,048.08x = 112,222,532.63
  5. Step 5: Solve for x
    x = 112,222,532.63/12,048.08
  6. Step 6: Final answer
    x = 9,314.56

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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.