Home / 11,420.76-17,134.18-4,847.32

Finding the Fourth Proportional to 11,420.76, 17,134.18 and 4,847.32

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Solution

The fourth proportional to 11,420.76, 17,134.18 and 4,847.32 is: 7,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.76 : 17,134.18 = 4,847.32 : x
  2. Step 2: Convert to fraction form
    11,420.76/17,134.18 = 4,847.32/x
  3. Step 3: Cross multiply
    11,420.76x = 17,134.18 × 4,847.32
  4. Step 4: Simplify right side
    11,420.76x = 83,054,853.40
  5. Step 5: Solve for x
    x = 83,054,853.40/11,420.76
  6. Step 6: Final answer
    x = 7,272.27

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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.