Home / 10,894.43-15,029.32-6,416.04

Finding the Fourth Proportional to 10,894.43, 15,029.32 and 6,416.04

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Solution

The fourth proportional to 10,894.43, 15,029.32 and 6,416.04 is: 8,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.43 : 15,029.32 = 6,416.04 : x
  2. Step 2: Convert to fraction form
    10,894.43/15,029.32 = 6,416.04/x
  3. Step 3: Cross multiply
    10,894.43x = 15,029.32 × 6,416.04
  4. Step 4: Simplify right side
    10,894.43x = 96,428,680.72
  5. Step 5: Solve for x
    x = 96,428,680.72/10,894.43
  6. Step 6: Final answer
    x = 8,851.19

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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.