Home / 11,777.32-16,254.23-6,742.36

Finding the Fourth Proportional to 11,777.32, 16,254.23 and 6,742.36

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Solution

The fourth proportional to 11,777.32, 16,254.23 and 6,742.36 is: 9,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.32 : 16,254.23 = 6,742.36 : x
  2. Step 2: Convert to fraction form
    11,777.32/16,254.23 = 6,742.36/x
  3. Step 3: Cross multiply
    11,777.32x = 16,254.23 × 6,742.36
  4. Step 4: Simplify right side
    11,777.32x = 109,591,870.18
  5. Step 5: Solve for x
    x = 109,591,870.18/11,777.32
  6. Step 6: Final answer
    x = 9,305.33

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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.