Home / 11,445.24-15,794.82-6,729.96

Finding the Fourth Proportional to 11,445.24, 15,794.82 and 6,729.96

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Solution

The fourth proportional to 11,445.24, 15,794.82 and 6,729.96 is: 9,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.24 : 15,794.82 = 6,729.96 : x
  2. Step 2: Convert to fraction form
    11,445.24/15,794.82 = 6,729.96/x
  3. Step 3: Cross multiply
    11,445.24x = 15,794.82 × 6,729.96
  4. Step 4: Simplify right side
    11,445.24x = 106,298,506.81
  5. Step 5: Solve for x
    x = 106,298,506.81/11,445.24
  6. Step 6: Final answer
    x = 9,287.57

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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.