Home / 8,482.15-11,705.40-4,705.36

Finding the Fourth Proportional to 8,482.15, 11,705.40 and 4,705.36

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Solution

The fourth proportional to 8,482.15, 11,705.40 and 4,705.36 is: 6,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.15 : 11,705.40 = 4,705.36 : x
  2. Step 2: Convert to fraction form
    8,482.15/11,705.40 = 4,705.36/x
  3. Step 3: Cross multiply
    8,482.15x = 11,705.40 × 4,705.36
  4. Step 4: Simplify right side
    8,482.15x = 55,078,120.94
  5. Step 5: Solve for x
    x = 55,078,120.94/8,482.15
  6. Step 6: Final answer
    x = 6,493.42

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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.