Home / 12,466.68-18,686.64-6,214.32

Finding the Fourth Proportional to 12,466.68, 18,686.64 and 6,214.32

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Solution

The fourth proportional to 12,466.68, 18,686.64 and 6,214.32 is: 9,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.68 : 18,686.64 = 6,214.32 : x
  2. Step 2: Convert to fraction form
    12,466.68/18,686.64 = 6,214.32/x
  3. Step 3: Cross multiply
    12,466.68x = 18,686.64 × 6,214.32
  4. Step 4: Simplify right side
    12,466.68x = 116,124,760.68
  5. Step 5: Solve for x
    x = 116,124,760.68/12,466.68
  6. Step 6: Final answer
    x = 9,314.81

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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.