Home / 8,497.17-11,709.77-5,661.36

Finding the Fourth Proportional to 8,497.17, 11,709.77 and 5,661.36

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Solution

The fourth proportional to 8,497.17, 11,709.77 and 5,661.36 is: 7,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.17 : 11,709.77 = 5,661.36 : x
  2. Step 2: Convert to fraction form
    8,497.17/11,709.77 = 5,661.36/x
  3. Step 3: Cross multiply
    8,497.17x = 11,709.77 × 5,661.36
  4. Step 4: Simplify right side
    8,497.17x = 66,293,195.18
  5. Step 5: Solve for x
    x = 66,293,195.18/8,497.17
  6. Step 6: Final answer
    x = 7,801.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.