Home / 12,409.17-18,613.71-3,175.17

Finding the Fourth Proportional to 12,409.17, 18,613.71 and 3,175.17

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Solution

The fourth proportional to 12,409.17, 18,613.71 and 3,175.17 is: 4,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.17 : 18,613.71 = 3,175.17 : x
  2. Step 2: Convert to fraction form
    12,409.17/18,613.71 = 3,175.17/x
  3. Step 3: Cross multiply
    12,409.17x = 18,613.71 × 3,175.17
  4. Step 4: Simplify right side
    12,409.17x = 59,101,693.58
  5. Step 5: Solve for x
    x = 59,101,693.58/12,409.17
  6. Step 6: Final answer
    x = 4,762.74

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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.