Home / 7,911.36-11,866.58-2,364.58

Finding the Fourth Proportional to 7,911.36, 11,866.58 and 2,364.58

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Solution

The fourth proportional to 7,911.36, 11,866.58 and 2,364.58 is: 3,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.36 : 11,866.58 = 2,364.58 : x
  2. Step 2: Convert to fraction form
    7,911.36/11,866.58 = 2,364.58/x
  3. Step 3: Cross multiply
    7,911.36x = 11,866.58 × 2,364.58
  4. Step 4: Simplify right side
    7,911.36x = 28,059,477.74
  5. Step 5: Solve for x
    x = 28,059,477.74/7,911.36
  6. Step 6: Final answer
    x = 3,546.73

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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.