Home / 11,225.72-16,853.16-8,630.48

Finding the Fourth Proportional to 11,225.72, 16,853.16 and 8,630.48

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Solution

The fourth proportional to 11,225.72, 16,853.16 and 8,630.48 is: 12,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.72 : 16,853.16 = 8,630.48 : x
  2. Step 2: Convert to fraction form
    11,225.72/16,853.16 = 8,630.48/x
  3. Step 3: Cross multiply
    11,225.72x = 16,853.16 × 8,630.48
  4. Step 4: Simplify right side
    11,225.72x = 145,450,860.32
  5. Step 5: Solve for x
    x = 145,450,860.32/11,225.72
  6. Step 6: Final answer
    x = 12,956.93

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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.