Home / 11,354.88-17,032.34-5,430.38

Finding the Fourth Proportional to 11,354.88, 17,032.34 and 5,430.38

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Solution

The fourth proportional to 11,354.88, 17,032.34 and 5,430.38 is: 8,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.88 : 17,032.34 = 5,430.38 : x
  2. Step 2: Convert to fraction form
    11,354.88/17,032.34 = 5,430.38/x
  3. Step 3: Cross multiply
    11,354.88x = 17,032.34 × 5,430.38
  4. Step 4: Simplify right side
    11,354.88x = 92,492,078.49
  5. Step 5: Solve for x
    x = 92,492,078.49/11,354.88
  6. Step 6: Final answer
    x = 8,145.58

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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.