Home / 11,245.19-16,868.39-2,925.22

Finding the Fourth Proportional to 11,245.19, 16,868.39 and 2,925.22

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Solution

The fourth proportional to 11,245.19, 16,868.39 and 2,925.22 is: 4,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.19 : 16,868.39 = 2,925.22 : x
  2. Step 2: Convert to fraction form
    11,245.19/16,868.39 = 2,925.22/x
  3. Step 3: Cross multiply
    11,245.19x = 16,868.39 × 2,925.22
  4. Step 4: Simplify right side
    11,245.19x = 49,343,726.63
  5. Step 5: Solve for x
    x = 49,343,726.63/11,245.19
  6. Step 6: Final answer
    x = 4,387.99

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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.