Home / 11,897.32-17,846.12-5,657.93

Finding the Fourth Proportional to 11,897.32, 17,846.12 and 5,657.93

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Solution

The fourth proportional to 11,897.32, 17,846.12 and 5,657.93 is: 8,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.32 : 17,846.12 = 5,657.93 : x
  2. Step 2: Convert to fraction form
    11,897.32/17,846.12 = 5,657.93/x
  3. Step 3: Cross multiply
    11,897.32x = 17,846.12 × 5,657.93
  4. Step 4: Simplify right side
    11,897.32x = 100,972,069.44
  5. Step 5: Solve for x
    x = 100,972,069.44/11,897.32
  6. Step 6: Final answer
    x = 8,486.96

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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.