Home / 9,015.09-12,444.66-5,479.44

Finding the Fourth Proportional to 9,015.09, 12,444.66 and 5,479.44

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Solution

The fourth proportional to 9,015.09, 12,444.66 and 5,479.44 is: 7,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.09 : 12,444.66 = 5,479.44 : x
  2. Step 2: Convert to fraction form
    9,015.09/12,444.66 = 5,479.44/x
  3. Step 3: Cross multiply
    9,015.09x = 12,444.66 × 5,479.44
  4. Step 4: Simplify right side
    9,015.09x = 68,189,767.79
  5. Step 5: Solve for x
    x = 68,189,767.79/9,015.09
  6. Step 6: Final answer
    x = 7,563.96

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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.