Home / 8,815.23-12,165.30-4,836.60

Finding the Fourth Proportional to 8,815.23, 12,165.30 and 4,836.60

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Solution

The fourth proportional to 8,815.23, 12,165.30 and 4,836.60 is: 6,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.23 : 12,165.30 = 4,836.60 : x
  2. Step 2: Convert to fraction form
    8,815.23/12,165.30 = 4,836.60/x
  3. Step 3: Cross multiply
    8,815.23x = 12,165.30 × 4,836.60
  4. Step 4: Simplify right side
    8,815.23x = 58,838,689.98
  5. Step 5: Solve for x
    x = 58,838,689.98/8,815.23
  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.