Home / 7,811.07-11,718.34-2,264.64

Finding the Fourth Proportional to 7,811.07, 11,718.34 and 2,264.64

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Solution

The fourth proportional to 7,811.07, 11,718.34 and 2,264.64 is: 3,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.07 : 11,718.34 = 2,264.64 : x
  2. Step 2: Convert to fraction form
    7,811.07/11,718.34 = 2,264.64/x
  3. Step 3: Cross multiply
    7,811.07x = 11,718.34 × 2,264.64
  4. Step 4: Simplify right side
    7,811.07x = 26,537,821.50
  5. Step 5: Solve for x
    x = 26,537,821.50/7,811.07
  6. Step 6: Final answer
    x = 3,397.46

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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.