Home / 11,050.90-15,243.36-6,742.03

Finding the Fourth Proportional to 11,050.90, 15,243.36 and 6,742.03

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Solution

The fourth proportional to 11,050.90, 15,243.36 and 6,742.03 is: 9,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.90 : 15,243.36 = 6,742.03 : x
  2. Step 2: Convert to fraction form
    11,050.90/15,243.36 = 6,742.03/x
  3. Step 3: Cross multiply
    11,050.90x = 15,243.36 × 6,742.03
  4. Step 4: Simplify right side
    11,050.90x = 102,771,190.42
  5. Step 5: Solve for x
    x = 102,771,190.42/11,050.90
  6. Step 6: Final answer
    x = 9,299.80

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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.