Home / 11,832.67-16,328.86-6,455.17

Finding the Fourth Proportional to 11,832.67, 16,328.86 and 6,455.17

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Solution

The fourth proportional to 11,832.67, 16,328.86 and 6,455.17 is: 8,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.67 : 16,328.86 = 6,455.17 : x
  2. Step 2: Convert to fraction form
    11,832.67/16,328.86 = 6,455.17/x
  3. Step 3: Cross multiply
    11,832.67x = 16,328.86 × 6,455.17
  4. Step 4: Simplify right side
    11,832.67x = 105,405,567.21
  5. Step 5: Solve for x
    x = 105,405,567.21/11,832.67
  6. Step 6: Final answer
    x = 8,908.01

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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.