Home / 8,850.06-12,212.51-5,315.22

Finding the Fourth Proportional to 8,850.06, 12,212.51 and 5,315.22

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Solution

The fourth proportional to 8,850.06, 12,212.51 and 5,315.22 is: 7,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.06 : 12,212.51 = 5,315.22 : x
  2. Step 2: Convert to fraction form
    8,850.06/12,212.51 = 5,315.22/x
  3. Step 3: Cross multiply
    8,850.06x = 12,212.51 × 5,315.22
  4. Step 4: Simplify right side
    8,850.06x = 64,912,150.83
  5. Step 5: Solve for x
    x = 64,912,150.83/8,850.06
  6. Step 6: Final answer
    x = 7,334.66

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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.