Home / 7,171.48-10,759.14-6,486.04

Finding the Fourth Proportional to 7,171.48, 10,759.14 and 6,486.04

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Solution

The fourth proportional to 7,171.48, 10,759.14 and 6,486.04 is: 9,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.48 : 10,759.14 = 6,486.04 : x
  2. Step 2: Convert to fraction form
    7,171.48/10,759.14 = 6,486.04/x
  3. Step 3: Cross multiply
    7,171.48x = 10,759.14 × 6,486.04
  4. Step 4: Simplify right side
    7,171.48x = 69,784,212.41
  5. Step 5: Solve for x
    x = 69,784,212.41/7,171.48
  6. Step 6: Final answer
    x = 9,730.80

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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.