Home / 10,222.09-14,107.66-5,685.23

Finding the Fourth Proportional to 10,222.09, 14,107.66 and 5,685.23

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Solution

The fourth proportional to 10,222.09, 14,107.66 and 5,685.23 is: 7,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.09 : 14,107.66 = 5,685.23 : x
  2. Step 2: Convert to fraction form
    10,222.09/14,107.66 = 5,685.23/x
  3. Step 3: Cross multiply
    10,222.09x = 14,107.66 × 5,685.23
  4. Step 4: Simplify right side
    10,222.09x = 80,205,291.86
  5. Step 5: Solve for x
    x = 80,205,291.86/10,222.09
  6. Step 6: Final answer
    x = 7,846.27

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1.5x scale

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.