Home / 10,943.96-15,102.64-6,469.32

Finding the Fourth Proportional to 10,943.96, 15,102.64 and 6,469.32

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Solution

The fourth proportional to 10,943.96, 15,102.64 and 6,469.32 is: 8,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.96 : 15,102.64 = 6,469.32 : x
  2. Step 2: Convert to fraction form
    10,943.96/15,102.64 = 6,469.32/x
  3. Step 3: Cross multiply
    10,943.96x = 15,102.64 × 6,469.32
  4. Step 4: Simplify right side
    10,943.96x = 97,703,811.00
  5. Step 5: Solve for x
    x = 97,703,811.00/10,943.96
  6. Step 6: Final answer
    x = 8,927.65

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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.