Home / 8,768.07-12,099.63-5,229.45

Finding the Fourth Proportional to 8,768.07, 12,099.63 and 5,229.45

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Solution

The fourth proportional to 8,768.07, 12,099.63 and 5,229.45 is: 7,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.07 : 12,099.63 = 5,229.45 : x
  2. Step 2: Convert to fraction form
    8,768.07/12,099.63 = 5,229.45/x
  3. Step 3: Cross multiply
    8,768.07x = 12,099.63 × 5,229.45
  4. Step 4: Simplify right side
    8,768.07x = 63,274,410.10
  5. Step 5: Solve for x
    x = 63,274,410.10/8,768.07
  6. Step 6: Final answer
    x = 7,216.46

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Similar ratio
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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.