Home / 10,762.65-16,129.26-6,860.07

Finding the Fourth Proportional to 10,762.65, 16,129.26 and 6,860.07

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Solution

The fourth proportional to 10,762.65, 16,129.26 and 6,860.07 is: 10,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.65 : 16,129.26 = 6,860.07 : x
  2. Step 2: Convert to fraction form
    10,762.65/16,129.26 = 6,860.07/x
  3. Step 3: Cross multiply
    10,762.65x = 16,129.26 × 6,860.07
  4. Step 4: Simplify right side
    10,762.65x = 110,647,852.65
  5. Step 5: Solve for x
    x = 110,647,852.65/10,762.65
  6. Step 6: Final answer
    x = 10,280.73

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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.