Home / 11,750.54-16,215.66-6,445.37

Finding the Fourth Proportional to 11,750.54, 16,215.66 and 6,445.37

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Solution

The fourth proportional to 11,750.54, 16,215.66 and 6,445.37 is: 8,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.54 : 16,215.66 = 6,445.37 : x
  2. Step 2: Convert to fraction form
    11,750.54/16,215.66 = 6,445.37/x
  3. Step 3: Cross multiply
    11,750.54x = 16,215.66 × 6,445.37
  4. Step 4: Simplify right side
    11,750.54x = 104,515,969.03
  5. Step 5: Solve for x
    x = 104,515,969.03/11,750.54
  6. Step 6: Final answer
    x = 8,894.57

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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.