Home / 7,905.35-11,858.70-2,358.34

Finding the Fourth Proportional to 7,905.35, 11,858.70 and 2,358.34

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Solution

The fourth proportional to 7,905.35, 11,858.70 and 2,358.34 is: 3,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.35 : 11,858.70 = 2,358.34 : x
  2. Step 2: Convert to fraction form
    7,905.35/11,858.70 = 2,358.34/x
  3. Step 3: Cross multiply
    7,905.35x = 11,858.70 × 2,358.34
  4. Step 4: Simplify right side
    7,905.35x = 27,966,846.56
  5. Step 5: Solve for x
    x = 27,966,846.56/7,905.35
  6. Step 6: Final answer
    x = 3,537.71

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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.