Home / 11,235.50-16,853.19-2,915.51

Finding the Fourth Proportional to 11,235.50, 16,853.19 and 2,915.51

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Solution

The fourth proportional to 11,235.50, 16,853.19 and 2,915.51 is: 4,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.50 : 16,853.19 = 2,915.51 : x
  2. Step 2: Convert to fraction form
    11,235.50/16,853.19 = 2,915.51/x
  3. Step 3: Cross multiply
    11,235.50x = 16,853.19 × 2,915.51
  4. Step 4: Simplify right side
    11,235.50x = 49,135,643.98
  5. Step 5: Solve for x
    x = 49,135,643.98/11,235.50
  6. Step 6: Final answer
    x = 4,373.25

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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.