Home / 11,393.12-17,090.21-3,495.06

Finding the Fourth Proportional to 11,393.12, 17,090.21 and 3,495.06

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Solution

The fourth proportional to 11,393.12, 17,090.21 and 3,495.06 is: 5,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.12 : 17,090.21 = 3,495.06 : x
  2. Step 2: Convert to fraction form
    11,393.12/17,090.21 = 3,495.06/x
  3. Step 3: Cross multiply
    11,393.12x = 17,090.21 × 3,495.06
  4. Step 4: Simplify right side
    11,393.12x = 59,731,291.89
  5. Step 5: Solve for x
    x = 59,731,291.89/11,393.12
  6. Step 6: Final answer
    x = 5,242.75

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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.