Home / 9,855.37-13,595.34-6,668.80

Finding the Fourth Proportional to 9,855.37, 13,595.34 and 6,668.80

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Solution

The fourth proportional to 9,855.37, 13,595.34 and 6,668.80 is: 9,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.37 : 13,595.34 = 6,668.80 : x
  2. Step 2: Convert to fraction form
    9,855.37/13,595.34 = 6,668.80/x
  3. Step 3: Cross multiply
    9,855.37x = 13,595.34 × 6,668.80
  4. Step 4: Simplify right side
    9,855.37x = 90,664,603.39
  5. Step 5: Solve for x
    x = 90,664,603.39/9,855.37
  6. Step 6: Final answer
    x = 9,199.51

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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.