Home / 8,460.05-11,675.14-5,622.48

Finding the Fourth Proportional to 8,460.05, 11,675.14 and 5,622.48

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Solution

The fourth proportional to 8,460.05, 11,675.14 and 5,622.48 is: 7,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.05 : 11,675.14 = 5,622.48 : x
  2. Step 2: Convert to fraction form
    8,460.05/11,675.14 = 5,622.48/x
  3. Step 3: Cross multiply
    8,460.05x = 11,675.14 × 5,622.48
  4. Step 4: Simplify right side
    8,460.05x = 65,643,227.09
  5. Step 5: Solve for x
    x = 65,643,227.09/8,460.05
  6. Step 6: Final answer
    x = 7,759.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.