Home / 8,784.11-12,122.73-5,007.37

Finding the Fourth Proportional to 8,784.11, 12,122.73 and 5,007.37

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Solution

The fourth proportional to 8,784.11, 12,122.73 and 5,007.37 is: 6,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.11 : 12,122.73 = 5,007.37 : x
  2. Step 2: Convert to fraction form
    8,784.11/12,122.73 = 5,007.37/x
  3. Step 3: Cross multiply
    8,784.11x = 12,122.73 × 5,007.37
  4. Step 4: Simplify right side
    8,784.11x = 60,702,955.32
  5. Step 5: Solve for x
    x = 60,702,955.32/8,784.11
  6. Step 6: Final answer
    x = 6,910.54

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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.