Home / 8,160.10-11,244.81-5,795.62

Finding the Fourth Proportional to 8,160.10, 11,244.81 and 5,795.62

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Solution

The fourth proportional to 8,160.10, 11,244.81 and 5,795.62 is: 7,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.10 : 11,244.81 = 5,795.62 : x
  2. Step 2: Convert to fraction form
    8,160.10/11,244.81 = 5,795.62/x
  3. Step 3: Cross multiply
    8,160.10x = 11,244.81 × 5,795.62
  4. Step 4: Simplify right side
    8,160.10x = 65,170,645.73
  5. Step 5: Solve for x
    x = 65,170,645.73/8,160.10
  6. Step 6: Final answer
    x = 7,986.50

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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.