Home / 10,608.09-15,911.64-4,366.55

Finding the Fourth Proportional to 10,608.09, 15,911.64 and 4,366.55

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Solution

The fourth proportional to 10,608.09, 15,911.64 and 4,366.55 is: 6,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.09 : 15,911.64 = 4,366.55 : x
  2. Step 2: Convert to fraction form
    10,608.09/15,911.64 = 4,366.55/x
  3. Step 3: Cross multiply
    10,608.09x = 15,911.64 × 4,366.55
  4. Step 4: Simplify right side
    10,608.09x = 69,478,892.08
  5. Step 5: Solve for x
    x = 69,478,892.08/10,608.09
  6. Step 6: Final answer
    x = 6,549.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.