Home / 11,090.56-15,303.68-6,122.88

Finding the Fourth Proportional to 11,090.56, 15,303.68 and 6,122.88

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Solution

The fourth proportional to 11,090.56, 15,303.68 and 6,122.88 is: 8,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.56 : 15,303.68 = 6,122.88 : x
  2. Step 2: Convert to fraction form
    11,090.56/15,303.68 = 6,122.88/x
  3. Step 3: Cross multiply
    11,090.56x = 15,303.68 × 6,122.88
  4. Step 4: Simplify right side
    11,090.56x = 93,702,596.20
  5. Step 5: Solve for x
    x = 93,702,596.20/11,090.56
  6. Step 6: Final answer
    x = 8,448.86

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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.