Home / 7,923.48-11,887.92-5,301.60

Finding the Fourth Proportional to 7,923.48, 11,887.92 and 5,301.60

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Solution

The fourth proportional to 7,923.48, 11,887.92 and 5,301.60 is: 7,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.48 : 11,887.92 = 5,301.60 : x
  2. Step 2: Convert to fraction form
    7,923.48/11,887.92 = 5,301.60/x
  3. Step 3: Cross multiply
    7,923.48x = 11,887.92 × 5,301.60
  4. Step 4: Simplify right side
    7,923.48x = 63,024,996.67
  5. Step 5: Solve for x
    x = 63,024,996.67/7,923.48
  6. Step 6: Final answer
    x = 7,954.21

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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.