Home / 11,415.79-17,099.40-5,483.96

Finding the Fourth Proportional to 11,415.79, 17,099.40 and 5,483.96

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Solution

The fourth proportional to 11,415.79, 17,099.40 and 5,483.96 is: 8,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.79 : 17,099.40 = 5,483.96 : x
  2. Step 2: Convert to fraction form
    11,415.79/17,099.40 = 5,483.96/x
  3. Step 3: Cross multiply
    11,415.79x = 17,099.40 × 5,483.96
  4. Step 4: Simplify right side
    11,415.79x = 93,772,425.62
  5. Step 5: Solve for x
    x = 93,772,425.62/11,415.79
  6. Step 6: Final answer
    x = 8,214.28

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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.