Home / 7,484.74-11,228.46-3,102.54

Finding the Fourth Proportional to 7,484.74, 11,228.46 and 3,102.54

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Solution

The fourth proportional to 7,484.74, 11,228.46 and 3,102.54 is: 4,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.74 : 11,228.46 = 3,102.54 : x
  2. Step 2: Convert to fraction form
    7,484.74/11,228.46 = 3,102.54/x
  3. Step 3: Cross multiply
    7,484.74x = 11,228.46 × 3,102.54
  4. Step 4: Simplify right side
    7,484.74x = 34,836,746.29
  5. Step 5: Solve for x
    x = 34,836,746.29/7,484.74
  6. Step 6: Final answer
    x = 4,654.37

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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.