Home / 11,186.75-16,780.63-5,633.47

Finding the Fourth Proportional to 11,186.75, 16,780.63 and 5,633.47

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Solution

The fourth proportional to 11,186.75, 16,780.63 and 5,633.47 is: 8,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.75 : 16,780.63 = 5,633.47 : x
  2. Step 2: Convert to fraction form
    11,186.75/16,780.63 = 5,633.47/x
  3. Step 3: Cross multiply
    11,186.75x = 16,780.63 × 5,633.47
  4. Step 4: Simplify right side
    11,186.75x = 94,533,248.26
  5. Step 5: Solve for x
    x = 94,533,248.26/11,186.75
  6. Step 6: Final answer
    x = 8,450.47

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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.