Home / 11,622.90-17,431.70-3,302.74

Finding the Fourth Proportional to 11,622.90, 17,431.70 and 3,302.74

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Solution

The fourth proportional to 11,622.90, 17,431.70 and 3,302.74 is: 4,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.90 : 17,431.70 = 3,302.74 : x
  2. Step 2: Convert to fraction form
    11,622.90/17,431.70 = 3,302.74/x
  3. Step 3: Cross multiply
    11,622.90x = 17,431.70 × 3,302.74
  4. Step 4: Simplify right side
    11,622.90x = 57,572,372.86
  5. Step 5: Solve for x
    x = 57,572,372.86/11,622.90
  6. Step 6: Final answer
    x = 4,953.36

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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.