Home / 8,747.36-12,071.49-4,768.47

Finding the Fourth Proportional to 8,747.36, 12,071.49 and 4,768.47

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Solution

The fourth proportional to 8,747.36, 12,071.49 and 4,768.47 is: 6,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.36 : 12,071.49 = 4,768.47 : x
  2. Step 2: Convert to fraction form
    8,747.36/12,071.49 = 4,768.47/x
  3. Step 3: Cross multiply
    8,747.36x = 12,071.49 × 4,768.47
  4. Step 4: Simplify right side
    8,747.36x = 57,562,537.92
  5. Step 5: Solve for x
    x = 57,562,537.92/8,747.36
  6. Step 6: Final answer
    x = 6,580.56

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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.