Home / 11,780.51-17,668.60-4,760.24

Finding the Fourth Proportional to 11,780.51, 17,668.60 and 4,760.24

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Solution

The fourth proportional to 11,780.51, 17,668.60 and 4,760.24 is: 7,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.51 : 17,668.60 = 4,760.24 : x
  2. Step 2: Convert to fraction form
    11,780.51/17,668.60 = 4,760.24/x
  3. Step 3: Cross multiply
    11,780.51x = 17,668.60 × 4,760.24
  4. Step 4: Simplify right side
    11,780.51x = 84,106,676.22
  5. Step 5: Solve for x
    x = 84,106,676.22/11,780.51
  6. Step 6: Final answer
    x = 7,139.48

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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.