Home / 8,815.36-12,165.36-4,836.47

Finding the Fourth Proportional to 8,815.36, 12,165.36 and 4,836.47

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Solution

The fourth proportional to 8,815.36, 12,165.36 and 4,836.47 is: 6,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.36 : 12,165.36 = 4,836.47 : x
  2. Step 2: Convert to fraction form
    8,815.36/12,165.36 = 4,836.47/x
  3. Step 3: Cross multiply
    8,815.36x = 12,165.36 × 4,836.47
  4. Step 4: Simplify right side
    8,815.36x = 58,837,398.68
  5. Step 5: Solve for x
    x = 58,837,398.68/8,815.36
  6. Step 6: Final answer
    x = 6,674.42

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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.