Home / 11,901.07-17,851.74-5,661.68

Finding the Fourth Proportional to 11,901.07, 17,851.74 and 5,661.68

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Solution

The fourth proportional to 11,901.07, 17,851.74 and 5,661.68 is: 8,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.07 : 17,851.74 = 5,661.68 : x
  2. Step 2: Convert to fraction form
    11,901.07/17,851.74 = 5,661.68/x
  3. Step 3: Cross multiply
    11,901.07x = 17,851.74 × 5,661.68
  4. Step 4: Simplify right side
    11,901.07x = 101,070,839.32
  5. Step 5: Solve for x
    x = 101,070,839.32/11,901.07
  6. Step 6: Final answer
    x = 8,492.58

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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.