Home / 11,809.78-16,298.24-6,504.60

Finding the Fourth Proportional to 11,809.78, 16,298.24 and 6,504.60

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Solution

The fourth proportional to 11,809.78, 16,298.24 and 6,504.60 is: 8,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.78 : 16,298.24 = 6,504.60 : x
  2. Step 2: Convert to fraction form
    11,809.78/16,298.24 = 6,504.60/x
  3. Step 3: Cross multiply
    11,809.78x = 16,298.24 × 6,504.60
  4. Step 4: Simplify right side
    11,809.78x = 106,013,417.89
  5. Step 5: Solve for x
    x = 106,013,417.89/11,809.78
  6. Step 6: Final answer
    x = 8,976.75

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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.