Home / 11,742.48-16,204.86-6,436.98

Finding the Fourth Proportional to 11,742.48, 16,204.86 and 6,436.98

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Solution

The fourth proportional to 11,742.48, 16,204.86 and 6,436.98 is: 8,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.48 : 16,204.86 = 6,436.98 : x
  2. Step 2: Convert to fraction form
    11,742.48/16,204.86 = 6,436.98/x
  3. Step 3: Cross multiply
    11,742.48x = 16,204.86 × 6,436.98
  4. Step 4: Simplify right side
    11,742.48x = 104,310,359.72
  5. Step 5: Solve for x
    x = 104,310,359.72/11,742.48
  6. Step 6: Final answer
    x = 8,883.16

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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.