Home / 11,260.30-16,890.45-10,050.70

Finding the Fourth Proportional to 11,260.30, 16,890.45 and 10,050.70

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Solution

The fourth proportional to 11,260.30, 16,890.45 and 10,050.70 is: 15,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.30 : 16,890.45 = 10,050.70 : x
  2. Step 2: Convert to fraction form
    11,260.30/16,890.45 = 10,050.70/x
  3. Step 3: Cross multiply
    11,260.30x = 16,890.45 × 10,050.70
  4. Step 4: Simplify right side
    11,260.30x = 169,760,845.82
  5. Step 5: Solve for x
    x = 169,760,845.82/11,260.30
  6. Step 6: Final answer
    x = 15,076.05

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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.