Home / 8,370.12-12,554.52-4,205.88

Finding the Fourth Proportional to 8,370.12, 12,554.52 and 4,205.88

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Solution

The fourth proportional to 8,370.12, 12,554.52 and 4,205.88 is: 6,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.12 : 12,554.52 = 4,205.88 : x
  2. Step 2: Convert to fraction form
    8,370.12/12,554.52 = 4,205.88/x
  3. Step 3: Cross multiply
    8,370.12x = 12,554.52 × 4,205.88
  4. Step 4: Simplify right side
    8,370.12x = 52,802,804.58
  5. Step 5: Solve for x
    x = 52,802,804.58/8,370.12
  6. Step 6: Final answer
    x = 6,308.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.