Home / 7,984.51-11,018.60-4,629.27

Finding the Fourth Proportional to 7,984.51, 11,018.60 and 4,629.27

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Solution

The fourth proportional to 7,984.51, 11,018.60 and 4,629.27 is: 6,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.51 : 11,018.60 = 4,629.27 : x
  2. Step 2: Convert to fraction form
    7,984.51/11,018.60 = 4,629.27/x
  3. Step 3: Cross multiply
    7,984.51x = 11,018.60 × 4,629.27
  4. Step 4: Simplify right side
    7,984.51x = 51,008,047.98
  5. Step 5: Solve for x
    x = 51,008,047.98/7,984.51
  6. Step 6: Final answer
    x = 6,388.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.