Home / 10,253.21-15,379.85-5,867.60

Finding the Fourth Proportional to 10,253.21, 15,379.85 and 5,867.60

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Solution

The fourth proportional to 10,253.21, 15,379.85 and 5,867.60 is: 8,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.21 : 15,379.85 = 5,867.60 : x
  2. Step 2: Convert to fraction form
    10,253.21/15,379.85 = 5,867.60/x
  3. Step 3: Cross multiply
    10,253.21x = 15,379.85 × 5,867.60
  4. Step 4: Simplify right side
    10,253.21x = 90,242,739.94
  5. Step 5: Solve for x
    x = 90,242,739.94/10,253.21
  6. Step 6: Final answer
    x = 8,801.41

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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.