Home / 11,932.70-17,897.40-6,605.72

Finding the Fourth Proportional to 11,932.70, 17,897.40 and 6,605.72

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Solution

The fourth proportional to 11,932.70, 17,897.40 and 6,605.72 is: 9,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.70 : 17,897.40 = 6,605.72 : x
  2. Step 2: Convert to fraction form
    11,932.70/17,897.40 = 6,605.72/x
  3. Step 3: Cross multiply
    11,932.70x = 17,897.40 × 6,605.72
  4. Step 4: Simplify right side
    11,932.70x = 118,225,213.13
  5. Step 5: Solve for x
    x = 118,225,213.13/11,932.70
  6. Step 6: Final answer
    x = 9,907.67

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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.