Home / 10,650.65-15,975.32-3,254.45

Finding the Fourth Proportional to 10,650.65, 15,975.32 and 3,254.45

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Solution

The fourth proportional to 10,650.65, 15,975.32 and 3,254.45 is: 4,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.65 : 15,975.32 = 3,254.45 : x
  2. Step 2: Convert to fraction form
    10,650.65/15,975.32 = 3,254.45/x
  3. Step 3: Cross multiply
    10,650.65x = 15,975.32 × 3,254.45
  4. Step 4: Simplify right side
    10,650.65x = 51,990,784.03
  5. Step 5: Solve for x
    x = 51,990,784.03/10,650.65
  6. Step 6: Final answer
    x = 4,881.47

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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.