Home / 10,967.67-15,135.30-5,999.67

Finding the Fourth Proportional to 10,967.67, 15,135.30 and 5,999.67

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Solution

The fourth proportional to 10,967.67, 15,135.30 and 5,999.67 is: 8,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.67 : 15,135.30 = 5,999.67 : x
  2. Step 2: Convert to fraction form
    10,967.67/15,135.30 = 5,999.67/x
  3. Step 3: Cross multiply
    10,967.67x = 15,135.30 × 5,999.67
  4. Step 4: Simplify right side
    10,967.67x = 90,806,805.35
  5. Step 5: Solve for x
    x = 90,806,805.35/10,967.67
  6. Step 6: Final answer
    x = 8,279.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.