Home / 9,911.03-13,676.45-5,434.56

Finding the Fourth Proportional to 9,911.03, 13,676.45 and 5,434.56

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Solution

The fourth proportional to 9,911.03, 13,676.45 and 5,434.56 is: 7,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.03 : 13,676.45 = 5,434.56 : x
  2. Step 2: Convert to fraction form
    9,911.03/13,676.45 = 5,434.56/x
  3. Step 3: Cross multiply
    9,911.03x = 13,676.45 × 5,434.56
  4. Step 4: Simplify right side
    9,911.03x = 74,325,460.94
  5. Step 5: Solve for x
    x = 74,325,460.94/9,911.03
  6. Step 6: Final answer
    x = 7,499.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.