Home / 8,815.34-12,165.50-4,836.58

Finding the Fourth Proportional to 8,815.34, 12,165.50 and 4,836.58

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Solution

The fourth proportional to 8,815.34, 12,165.50 and 4,836.58 is: 6,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.34 : 12,165.50 = 4,836.58 : x
  2. Step 2: Convert to fraction form
    8,815.34/12,165.50 = 4,836.58/x
  3. Step 3: Cross multiply
    8,815.34x = 12,165.50 × 4,836.58
  4. Step 4: Simplify right side
    8,815.34x = 58,839,413.99
  5. Step 5: Solve for x
    x = 58,839,413.99/8,815.34
  6. Step 6: Final answer
    x = 6,674.66

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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.