Home / 8,012.93-12,019.82-2,470.08

Finding the Fourth Proportional to 8,012.93, 12,019.82 and 2,470.08

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Solution

The fourth proportional to 8,012.93, 12,019.82 and 2,470.08 is: 3,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.93 : 12,019.82 = 2,470.08 : x
  2. Step 2: Convert to fraction form
    8,012.93/12,019.82 = 2,470.08/x
  3. Step 3: Cross multiply
    8,012.93x = 12,019.82 × 2,470.08
  4. Step 4: Simplify right side
    8,012.93x = 29,689,904.64
  5. Step 5: Solve for x
    x = 29,689,904.64/8,012.93
  6. Step 6: Final answer
    x = 3,705.25

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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.