Home / 11,570.45-17,355.74-2,805.35

Finding the Fourth Proportional to 11,570.45, 17,355.74 and 2,805.35

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Solution

The fourth proportional to 11,570.45, 17,355.74 and 2,805.35 is: 4,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.45 : 17,355.74 = 2,805.35 : x
  2. Step 2: Convert to fraction form
    11,570.45/17,355.74 = 2,805.35/x
  3. Step 3: Cross multiply
    11,570.45x = 17,355.74 × 2,805.35
  4. Step 4: Simplify right side
    11,570.45x = 48,688,824.40
  5. Step 5: Solve for x
    x = 48,688,824.40/11,570.45
  6. Step 6: Final answer
    x = 4,208.03

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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.