Home / 8,218.08-11,343.06-5,072.46

Finding the Fourth Proportional to 8,218.08, 11,343.06 and 5,072.46

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Solution

The fourth proportional to 8,218.08, 11,343.06 and 5,072.46 is: 7,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.08 : 11,343.06 = 5,072.46 : x
  2. Step 2: Convert to fraction form
    8,218.08/11,343.06 = 5,072.46/x
  3. Step 3: Cross multiply
    8,218.08x = 11,343.06 × 5,072.46
  4. Step 4: Simplify right side
    8,218.08x = 57,537,218.13
  5. Step 5: Solve for x
    x = 57,537,218.13/8,218.08
  6. Step 6: Final answer
    x = 7,001.30

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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.