Home / 28,837.24-43,258.08-9,117.37

Finding the Fourth Proportional to 28,837.24, 43,258.08 and 9,117.37

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Solution

The fourth proportional to 28,837.24, 43,258.08 and 9,117.37 is: 13,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.24 : 43,258.08 = 9,117.37 : x
  2. Step 2: Convert to fraction form
    28,837.24/43,258.08 = 9,117.37/x
  3. Step 3: Cross multiply
    28,837.24x = 43,258.08 × 9,117.37
  4. Step 4: Simplify right side
    28,837.24x = 394,399,920.85
  5. Step 5: Solve for x
    x = 394,399,920.85/28,837.24
  6. Step 6: Final answer
    x = 13,676.76

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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.