Home / 7,826.32-11,738.70-4,865.32

Finding the Fourth Proportional to 7,826.32, 11,738.70 and 4,865.32

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Solution

The fourth proportional to 7,826.32, 11,738.70 and 4,865.32 is: 7,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.32 : 11,738.70 = 4,865.32 : x
  2. Step 2: Convert to fraction form
    7,826.32/11,738.70 = 4,865.32/x
  3. Step 3: Cross multiply
    7,826.32x = 11,738.70 × 4,865.32
  4. Step 4: Simplify right side
    7,826.32x = 57,112,531.88
  5. Step 5: Solve for x
    x = 57,112,531.88/7,826.32
  6. Step 6: Final answer
    x = 7,297.50

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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.