Home / 7,247.07-10,869.69-2,316.80

Finding the Fourth Proportional to 7,247.07, 10,869.69 and 2,316.80

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Solution

The fourth proportional to 7,247.07, 10,869.69 and 2,316.80 is: 3,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.07 : 10,869.69 = 2,316.80 : x
  2. Step 2: Convert to fraction form
    7,247.07/10,869.69 = 2,316.80/x
  3. Step 3: Cross multiply
    7,247.07x = 10,869.69 × 2,316.80
  4. Step 4: Simplify right side
    7,247.07x = 25,182,933.65
  5. Step 5: Solve for x
    x = 25,182,933.65/7,247.07
  6. Step 6: Final answer
    x = 3,474.91

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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.