Home / 7,999.08-11,998.61-4,303.05

Finding the Fourth Proportional to 7,999.08, 11,998.61 and 4,303.05

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Solution

The fourth proportional to 7,999.08, 11,998.61 and 4,303.05 is: 6,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.08 : 11,998.61 = 4,303.05 : x
  2. Step 2: Convert to fraction form
    7,999.08/11,998.61 = 4,303.05/x
  3. Step 3: Cross multiply
    7,999.08x = 11,998.61 × 4,303.05
  4. Step 4: Simplify right side
    7,999.08x = 51,630,618.76
  5. Step 5: Solve for x
    x = 51,630,618.76/7,999.08
  6. Step 6: Final answer
    x = 6,454.57

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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.