Home / 11,742.37-16,205.06-6,437.07

Finding the Fourth Proportional to 11,742.37, 16,205.06 and 6,437.07

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Solution

The fourth proportional to 11,742.37, 16,205.06 and 6,437.07 is: 8,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.37 : 16,205.06 = 6,437.07 : x
  2. Step 2: Convert to fraction form
    11,742.37/16,205.06 = 6,437.07/x
  3. Step 3: Cross multiply
    11,742.37x = 16,205.06 × 6,437.07
  4. Step 4: Simplify right side
    11,742.37x = 104,313,121.67
  5. Step 5: Solve for x
    x = 104,313,121.67/11,742.37
  6. Step 6: Final answer
    x = 8,883.48

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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.