Home / 7,869.47-11,804.27-2,247.12

Finding the Fourth Proportional to 7,869.47, 11,804.27 and 2,247.12

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Solution

The fourth proportional to 7,869.47, 11,804.27 and 2,247.12 is: 3,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.47 : 11,804.27 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    7,869.47/11,804.27 = 2,247.12/x
  3. Step 3: Cross multiply
    7,869.47x = 11,804.27 × 2,247.12
  4. Step 4: Simplify right side
    7,869.47x = 26,525,599.97
  5. Step 5: Solve for x
    x = 26,525,599.97/7,869.47
  6. Step 6: Final answer
    x = 3,370.70

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1.5x scale

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.