Home / 11,124.27-15,351.26-6,409.53

Finding the Fourth Proportional to 11,124.27, 15,351.26 and 6,409.53

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Solution

The fourth proportional to 11,124.27, 15,351.26 and 6,409.53 is: 8,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.27 : 15,351.26 = 6,409.53 : x
  2. Step 2: Convert to fraction form
    11,124.27/15,351.26 = 6,409.53/x
  3. Step 3: Cross multiply
    11,124.27x = 15,351.26 × 6,409.53
  4. Step 4: Simplify right side
    11,124.27x = 98,394,329.46
  5. Step 5: Solve for x
    x = 98,394,329.46/11,124.27
  6. Step 6: Final answer
    x = 8,845.01

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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.