Home / 7,411.26-11,166.96-6,615.48

Finding the Fourth Proportional to 7,411.26, 11,166.96 and 6,615.48

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Solution

The fourth proportional to 7,411.26, 11,166.96 and 6,615.48 is: 9,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.26 : 11,166.96 = 6,615.48 : x
  2. Step 2: Convert to fraction form
    7,411.26/11,166.96 = 6,615.48/x
  3. Step 3: Cross multiply
    7,411.26x = 11,166.96 × 6,615.48
  4. Step 4: Simplify right side
    7,411.26x = 73,874,800.54
  5. Step 5: Solve for x
    x = 73,874,800.54/7,411.26
  6. Step 6: Final answer
    x = 9,967.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.