Home / 11,456.79-17,263.19-9,422.34

Finding the Fourth Proportional to 11,456.79, 17,263.19 and 9,422.34

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Solution

The fourth proportional to 11,456.79, 17,263.19 and 9,422.34 is: 14,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.79 : 17,263.19 = 9,422.34 : x
  2. Step 2: Convert to fraction form
    11,456.79/17,263.19 = 9,422.34/x
  3. Step 3: Cross multiply
    11,456.79x = 17,263.19 × 9,422.34
  4. Step 4: Simplify right side
    11,456.79x = 162,659,669.22
  5. Step 5: Solve for x
    x = 162,659,669.22/11,456.79
  6. Step 6: Final answer
    x = 14,197.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.