Home / 8,450.48-11,660.51-5,306.06

Finding the Fourth Proportional to 8,450.48, 11,660.51 and 5,306.06

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Solution

The fourth proportional to 8,450.48, 11,660.51 and 5,306.06 is: 7,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.48 : 11,660.51 = 5,306.06 : x
  2. Step 2: Convert to fraction form
    8,450.48/11,660.51 = 5,306.06/x
  3. Step 3: Cross multiply
    8,450.48x = 11,660.51 × 5,306.06
  4. Step 4: Simplify right side
    8,450.48x = 61,871,408.11
  5. Step 5: Solve for x
    x = 61,871,408.11/8,450.48
  6. Step 6: Final answer
    x = 7,321.64

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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.