Home / 11,409.25-15,744.59-6,373.54

Finding the Fourth Proportional to 11,409.25, 15,744.59 and 6,373.54

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Solution

The fourth proportional to 11,409.25, 15,744.59 and 6,373.54 is: 8,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.25 : 15,744.59 = 6,373.54 : x
  2. Step 2: Convert to fraction form
    11,409.25/15,744.59 = 6,373.54/x
  3. Step 3: Cross multiply
    11,409.25x = 15,744.59 × 6,373.54
  4. Step 4: Simplify right side
    11,409.25x = 100,348,774.15
  5. Step 5: Solve for x
    x = 100,348,774.15/11,409.25
  6. Step 6: Final answer
    x = 8,795.39

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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.