Home / 12,466.08-18,699.20-3,106.12

Finding the Fourth Proportional to 12,466.08, 18,699.20 and 3,106.12

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Solution

The fourth proportional to 12,466.08, 18,699.20 and 3,106.12 is: 4,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.08 : 18,699.20 = 3,106.12 : x
  2. Step 2: Convert to fraction form
    12,466.08/18,699.20 = 3,106.12/x
  3. Step 3: Cross multiply
    12,466.08x = 18,699.20 × 3,106.12
  4. Step 4: Simplify right side
    12,466.08x = 58,081,959.10
  5. Step 5: Solve for x
    x = 58,081,959.10/12,466.08
  6. Step 6: Final answer
    x = 4,659.20

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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.