Home / 11,910.84-16,421.36-10,250.08

Finding the Fourth Proportional to 11,910.84, 16,421.36 and 10,250.08

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Solution

The fourth proportional to 11,910.84, 16,421.36 and 10,250.08 is: 14,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.84 : 16,421.36 = 10,250.08 : x
  2. Step 2: Convert to fraction form
    11,910.84/16,421.36 = 10,250.08/x
  3. Step 3: Cross multiply
    11,910.84x = 16,421.36 × 10,250.08
  4. Step 4: Simplify right side
    11,910.84x = 168,320,253.71
  5. Step 5: Solve for x
    x = 168,320,253.71/11,910.84
  6. Step 6: Final answer
    x = 14,131.69

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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.