Home / 11,421.32-17,134.86-4,496.36

Finding the Fourth Proportional to 11,421.32, 17,134.86 and 4,496.36

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Solution

The fourth proportional to 11,421.32, 17,134.86 and 4,496.36 is: 6,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.32 : 17,134.86 = 4,496.36 : x
  2. Step 2: Convert to fraction form
    11,421.32/17,134.86 = 4,496.36/x
  3. Step 3: Cross multiply
    11,421.32x = 17,134.86 × 4,496.36
  4. Step 4: Simplify right side
    11,421.32x = 77,044,499.11
  5. Step 5: Solve for x
    x = 77,044,499.11/11,421.32
  6. Step 6: Final answer
    x = 6,745.67

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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.