Home / 8,299.12-11,442.68-5,783.44

Finding the Fourth Proportional to 8,299.12, 11,442.68 and 5,783.44

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Solution

The fourth proportional to 8,299.12, 11,442.68 and 5,783.44 is: 7,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.12 : 11,442.68 = 5,783.44 : x
  2. Step 2: Convert to fraction form
    8,299.12/11,442.68 = 5,783.44/x
  3. Step 3: Cross multiply
    8,299.12x = 11,442.68 × 5,783.44
  4. Step 4: Simplify right side
    8,299.12x = 66,178,053.22
  5. Step 5: Solve for x
    x = 66,178,053.22/8,299.12
  6. Step 6: Final answer
    x = 7,974.10

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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.