Home / 11,556.14-17,337.69-4,889.21

Finding the Fourth Proportional to 11,556.14, 17,337.69 and 4,889.21

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Solution

The fourth proportional to 11,556.14, 17,337.69 and 4,889.21 is: 7,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.14 : 17,337.69 = 4,889.21 : x
  2. Step 2: Convert to fraction form
    11,556.14/17,337.69 = 4,889.21/x
  3. Step 3: Cross multiply
    11,556.14x = 17,337.69 × 4,889.21
  4. Step 4: Simplify right side
    11,556.14x = 84,767,607.32
  5. Step 5: Solve for x
    x = 84,767,607.32/11,556.14
  6. Step 6: Final answer
    x = 7,335.29

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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.