Home / 12,403.46-18,605.28-4,612.26

Finding the Fourth Proportional to 12,403.46, 18,605.28 and 4,612.26

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Solution

The fourth proportional to 12,403.46, 18,605.28 and 4,612.26 is: 6,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.46 : 18,605.28 = 4,612.26 : x
  2. Step 2: Convert to fraction form
    12,403.46/18,605.28 = 4,612.26/x
  3. Step 3: Cross multiply
    12,403.46x = 18,605.28 × 4,612.26
  4. Step 4: Simplify right side
    12,403.46x = 85,812,388.73
  5. Step 5: Solve for x
    x = 85,812,388.73/12,403.46
  6. Step 6: Final answer
    x = 6,918.42

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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.