Home / 10,977.39-16,466.09-6,762.15

Finding the Fourth Proportional to 10,977.39, 16,466.09 and 6,762.15

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Solution

The fourth proportional to 10,977.39, 16,466.09 and 6,762.15 is: 10,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.39 : 16,466.09 = 6,762.15 : x
  2. Step 2: Convert to fraction form
    10,977.39/16,466.09 = 6,762.15/x
  3. Step 3: Cross multiply
    10,977.39x = 16,466.09 × 6,762.15
  4. Step 4: Simplify right side
    10,977.39x = 111,346,136.68
  5. Step 5: Solve for x
    x = 111,346,136.68/10,977.39
  6. Step 6: Final answer
    x = 10,143.23

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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.