Home / 8,768.05-12,099.27-4,788.32

Finding the Fourth Proportional to 8,768.05, 12,099.27 and 4,788.32

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Solution

The fourth proportional to 8,768.05, 12,099.27 and 4,788.32 is: 6,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.05 : 12,099.27 = 4,788.32 : x
  2. Step 2: Convert to fraction form
    8,768.05/12,099.27 = 4,788.32/x
  3. Step 3: Cross multiply
    8,768.05x = 12,099.27 × 4,788.32
  4. Step 4: Simplify right side
    8,768.05x = 57,935,133.99
  5. Step 5: Solve for x
    x = 57,935,133.99/8,768.05
  6. Step 6: Final answer
    x = 6,607.53

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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.