Home / 7,820.16-11,730.24-4,741.44

Finding the Fourth Proportional to 7,820.16, 11,730.24 and 4,741.44

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Solution

The fourth proportional to 7,820.16, 11,730.24 and 4,741.44 is: 7,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.16 : 11,730.24 = 4,741.44 : x
  2. Step 2: Convert to fraction form
    7,820.16/11,730.24 = 4,741.44/x
  3. Step 3: Cross multiply
    7,820.16x = 11,730.24 × 4,741.44
  4. Step 4: Simplify right side
    7,820.16x = 55,618,229.15
  5. Step 5: Solve for x
    x = 55,618,229.15/7,820.16
  6. Step 6: Final answer
    x = 7,112.16

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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.