Home / 11,479.32-17,181.72-7,534.08

Finding the Fourth Proportional to 11,479.32, 17,181.72 and 7,534.08

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Solution

The fourth proportional to 11,479.32, 17,181.72 and 7,534.08 is: 11,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.32 : 17,181.72 = 7,534.08 : x
  2. Step 2: Convert to fraction form
    11,479.32/17,181.72 = 7,534.08/x
  3. Step 3: Cross multiply
    11,479.32x = 17,181.72 × 7,534.08
  4. Step 4: Simplify right side
    11,479.32x = 129,448,453.02
  5. Step 5: Solve for x
    x = 129,448,453.02/11,479.32
  6. Step 6: Final answer
    x = 11,276.67

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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.