Home / 11,277.44-15,562.74-6,742.20

Finding the Fourth Proportional to 11,277.44, 15,562.74 and 6,742.20

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Solution

The fourth proportional to 11,277.44, 15,562.74 and 6,742.20 is: 9,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.44 : 15,562.74 = 6,742.20 : x
  2. Step 2: Convert to fraction form
    11,277.44/15,562.74 = 6,742.20/x
  3. Step 3: Cross multiply
    11,277.44x = 15,562.74 × 6,742.20
  4. Step 4: Simplify right side
    11,277.44x = 104,927,105.63
  5. Step 5: Solve for x
    x = 104,927,105.63/11,277.44
  6. Step 6: Final answer
    x = 9,304.16

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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.