Home / 11,572.21-17,358.32-2,807.11

Finding the Fourth Proportional to 11,572.21, 17,358.32 and 2,807.11

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Solution

The fourth proportional to 11,572.21, 17,358.32 and 2,807.11 is: 4,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.21 : 17,358.32 = 2,807.11 : x
  2. Step 2: Convert to fraction form
    11,572.21/17,358.32 = 2,807.11/x
  3. Step 3: Cross multiply
    11,572.21x = 17,358.32 × 2,807.11
  4. Step 4: Simplify right side
    11,572.21x = 48,726,713.66
  5. Step 5: Solve for x
    x = 48,726,713.66/11,572.21
  6. Step 6: Final answer
    x = 4,210.67

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Similar ratio
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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.