Home / 11,445.30-17,160.66-5,904.90

Finding the Fourth Proportional to 11,445.30, 17,160.66 and 5,904.90

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Solution

The fourth proportional to 11,445.30, 17,160.66 and 5,904.90 is: 8,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.30 : 17,160.66 = 5,904.90 : x
  2. Step 2: Convert to fraction form
    11,445.30/17,160.66 = 5,904.90/x
  3. Step 3: Cross multiply
    11,445.30x = 17,160.66 × 5,904.90
  4. Step 4: Simplify right side
    11,445.30x = 101,331,981.23
  5. Step 5: Solve for x
    x = 101,331,981.23/11,445.30
  6. Step 6: Final answer
    x = 8,853.59

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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.