Home / 11,735.77-17,515.51-10,147.48

Finding the Fourth Proportional to 11,735.77, 17,515.51 and 10,147.48

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Solution

The fourth proportional to 11,735.77, 17,515.51 and 10,147.48 is: 15,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.77 : 17,515.51 = 10,147.48 : x
  2. Step 2: Convert to fraction form
    11,735.77/17,515.51 = 10,147.48/x
  3. Step 3: Cross multiply
    11,735.77x = 17,515.51 × 10,147.48
  4. Step 4: Simplify right side
    11,735.77x = 177,738,287.41
  5. Step 5: Solve for x
    x = 177,738,287.41/11,735.77
  6. Step 6: Final answer
    x = 15,145.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.