Home / 10,863.07-16,294.37-4,289.31

Finding the Fourth Proportional to 10,863.07, 16,294.37 and 4,289.31

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Solution

The fourth proportional to 10,863.07, 16,294.37 and 4,289.31 is: 6,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.07 : 16,294.37 = 4,289.31 : x
  2. Step 2: Convert to fraction form
    10,863.07/16,294.37 = 4,289.31/x
  3. Step 3: Cross multiply
    10,863.07x = 16,294.37 × 4,289.31
  4. Step 4: Simplify right side
    10,863.07x = 69,891,582.74
  5. Step 5: Solve for x
    x = 69,891,582.74/10,863.07
  6. Step 6: Final answer
    x = 6,433.87

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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.