Home / 12,409.41-17,125.15-6,744.27

Finding the Fourth Proportional to 12,409.41, 17,125.15 and 6,744.27

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Solution

The fourth proportional to 12,409.41, 17,125.15 and 6,744.27 is: 9,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.41 : 17,125.15 = 6,744.27 : x
  2. Step 2: Convert to fraction form
    12,409.41/17,125.15 = 6,744.27/x
  3. Step 3: Cross multiply
    12,409.41x = 17,125.15 × 6,744.27
  4. Step 4: Simplify right side
    12,409.41x = 115,496,592.58
  5. Step 5: Solve for x
    x = 115,496,592.58/12,409.41
  6. Step 6: Final answer
    x = 9,307.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.