Home / 11,029.40-15,218.18-8,045.94

Finding the Fourth Proportional to 11,029.40, 15,218.18 and 8,045.94

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Solution

The fourth proportional to 11,029.40, 15,218.18 and 8,045.94 is: 11,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.40 : 15,218.18 = 8,045.94 : x
  2. Step 2: Convert to fraction form
    11,029.40/15,218.18 = 8,045.94/x
  3. Step 3: Cross multiply
    11,029.40x = 15,218.18 × 8,045.94
  4. Step 4: Simplify right side
    11,029.40x = 122,444,563.19
  5. Step 5: Solve for x
    x = 122,444,563.19/11,029.40
  6. Step 6: Final answer
    x = 11,101.65

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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.