Home / 11,130.32-16,698.40-4,204.88

Finding the Fourth Proportional to 11,130.32, 16,698.40 and 4,204.88

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Solution

The fourth proportional to 11,130.32, 16,698.40 and 4,204.88 is: 6,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.32 : 16,698.40 = 4,204.88 : x
  2. Step 2: Convert to fraction form
    11,130.32/16,698.40 = 4,204.88/x
  3. Step 3: Cross multiply
    11,130.32x = 16,698.40 × 4,204.88
  4. Step 4: Simplify right side
    11,130.32x = 70,214,768.19
  5. Step 5: Solve for x
    x = 70,214,768.19/11,130.32
  6. Step 6: Final answer
    x = 6,308.42

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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.