Home / 6,774.49-10,136.33-5,605.05

Finding the Fourth Proportional to 6,774.49, 10,136.33 and 5,605.05

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Solution

The fourth proportional to 6,774.49, 10,136.33 and 5,605.05 is: 8,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.49 : 10,136.33 = 5,605.05 : x
  2. Step 2: Convert to fraction form
    6,774.49/10,136.33 = 5,605.05/x
  3. Step 3: Cross multiply
    6,774.49x = 10,136.33 × 5,605.05
  4. Step 4: Simplify right side
    6,774.49x = 56,814,636.47
  5. Step 5: Solve for x
    x = 56,814,636.47/6,774.49
  6. Step 6: Final answer
    x = 8,386.56

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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.