Home / 9,309.22-13,966.10-5,090.43

Finding the Fourth Proportional to 9,309.22, 13,966.10 and 5,090.43

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Solution

The fourth proportional to 9,309.22, 13,966.10 and 5,090.43 is: 7,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.22 : 13,966.10 = 5,090.43 : x
  2. Step 2: Convert to fraction form
    9,309.22/13,966.10 = 5,090.43/x
  3. Step 3: Cross multiply
    9,309.22x = 13,966.10 × 5,090.43
  4. Step 4: Simplify right side
    9,309.22x = 71,093,454.42
  5. Step 5: Solve for x
    x = 71,093,454.42/9,309.22
  6. Step 6: Final answer
    x = 7,636.89

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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.