Home / 7,004.70-9,667.37-4,021.47

Finding the Fourth Proportional to 7,004.70, 9,667.37 and 4,021.47

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Solution

The fourth proportional to 7,004.70, 9,667.37 and 4,021.47 is: 5,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.70 : 9,667.37 = 4,021.47 : x
  2. Step 2: Convert to fraction form
    7,004.70/9,667.37 = 4,021.47/x
  3. Step 3: Cross multiply
    7,004.70x = 9,667.37 × 4,021.47
  4. Step 4: Simplify right side
    7,004.70x = 38,877,018.33
  5. Step 5: Solve for x
    x = 38,877,018.33/7,004.70
  6. Step 6: Final answer
    x = 5,550.13

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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.