Home / 12,249.63-16,889.72-10,357.88

Finding the Fourth Proportional to 12,249.63, 16,889.72 and 10,357.88

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Solution

The fourth proportional to 12,249.63, 16,889.72 and 10,357.88 is: 14,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.63 : 16,889.72 = 10,357.88 : x
  2. Step 2: Convert to fraction form
    12,249.63/16,889.72 = 10,357.88/x
  3. Step 3: Cross multiply
    12,249.63x = 16,889.72 × 10,357.88
  4. Step 4: Simplify right side
    12,249.63x = 174,941,556.76
  5. Step 5: Solve for x
    x = 174,941,556.76/12,249.63
  6. Step 6: Final answer
    x = 14,281.37

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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.