Home / 11,942.56-17,913.96-4,547.08

Finding the Fourth Proportional to 11,942.56, 17,913.96 and 4,547.08

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Solution

The fourth proportional to 11,942.56, 17,913.96 and 4,547.08 is: 6,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.56 : 17,913.96 = 4,547.08 : x
  2. Step 2: Convert to fraction form
    11,942.56/17,913.96 = 4,547.08/x
  3. Step 3: Cross multiply
    11,942.56x = 17,913.96 × 4,547.08
  4. Step 4: Simplify right side
    11,942.56x = 81,456,209.24
  5. Step 5: Solve for x
    x = 81,456,209.24/11,942.56
  6. Step 6: Final answer
    x = 6,820.67

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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.