Home / 8,815.56-12,165.48-4,836.84

Finding the Fourth Proportional to 8,815.56, 12,165.48 and 4,836.84

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Solution

The fourth proportional to 8,815.56, 12,165.48 and 4,836.84 is: 6,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.56 : 12,165.48 = 4,836.84 : x
  2. Step 2: Convert to fraction form
    8,815.56/12,165.48 = 4,836.84/x
  3. Step 3: Cross multiply
    8,815.56x = 12,165.48 × 4,836.84
  4. Step 4: Simplify right side
    8,815.56x = 58,842,480.28
  5. Step 5: Solve for x
    x = 58,842,480.28/8,815.56
  6. Step 6: Final answer
    x = 6,674.84

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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.