Home / 7,911.06-11,866.18-2,364.45

Finding the Fourth Proportional to 7,911.06, 11,866.18 and 2,364.45

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Solution

The fourth proportional to 7,911.06, 11,866.18 and 2,364.45 is: 3,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.06 : 11,866.18 = 2,364.45 : x
  2. Step 2: Convert to fraction form
    7,911.06/11,866.18 = 2,364.45/x
  3. Step 3: Cross multiply
    7,911.06x = 11,866.18 × 2,364.45
  4. Step 4: Simplify right side
    7,911.06x = 28,056,989.30
  5. Step 5: Solve for x
    x = 28,056,989.30/7,911.06
  6. Step 6: Final answer
    x = 3,546.55

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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.