Home / 8,222.09-11,345.60-4,865.04

Finding the Fourth Proportional to 8,222.09, 11,345.60 and 4,865.04

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Solution

The fourth proportional to 8,222.09, 11,345.60 and 4,865.04 is: 6,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.09 : 11,345.60 = 4,865.04 : x
  2. Step 2: Convert to fraction form
    8,222.09/11,345.60 = 4,865.04/x
  3. Step 3: Cross multiply
    8,222.09x = 11,345.60 × 4,865.04
  4. Step 4: Simplify right side
    8,222.09x = 55,196,809.99
  5. Step 5: Solve for x
    x = 55,196,809.99/8,222.09
  6. Step 6: Final answer
    x = 6,713.24

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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.