Home / 11,447.33-15,806.44-7,622.70

Finding the Fourth Proportional to 11,447.33, 15,806.44 and 7,622.70

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Solution

The fourth proportional to 11,447.33, 15,806.44 and 7,622.70 is: 10,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.33 : 15,806.44 = 7,622.70 : x
  2. Step 2: Convert to fraction form
    11,447.33/15,806.44 = 7,622.70/x
  3. Step 3: Cross multiply
    11,447.33x = 15,806.44 × 7,622.70
  4. Step 4: Simplify right side
    11,447.33x = 120,487,750.19
  5. Step 5: Solve for x
    x = 120,487,750.19/11,447.33
  6. Step 6: Final answer
    x = 10,525.40

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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.