Home / 9,716.24-14,574.56-2,790.80

Finding the Fourth Proportional to 9,716.24, 14,574.56 and 2,790.80

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Solution

The fourth proportional to 9,716.24, 14,574.56 and 2,790.80 is: 4,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.24 : 14,574.56 = 2,790.80 : x
  2. Step 2: Convert to fraction form
    9,716.24/14,574.56 = 2,790.80/x
  3. Step 3: Cross multiply
    9,716.24x = 14,574.56 × 2,790.80
  4. Step 4: Simplify right side
    9,716.24x = 40,674,682.05
  5. Step 5: Solve for x
    x = 40,674,682.05/9,716.24
  6. Step 6: Final answer
    x = 4,186.26

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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.