Home / 10,967.62-15,135.09-5,999.62

Finding the Fourth Proportional to 10,967.62, 15,135.09 and 5,999.62

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Solution

The fourth proportional to 10,967.62, 15,135.09 and 5,999.62 is: 8,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.62 : 15,135.09 = 5,999.62 : x
  2. Step 2: Convert to fraction form
    10,967.62/15,135.09 = 5,999.62/x
  3. Step 3: Cross multiply
    10,967.62x = 15,135.09 × 5,999.62
  4. Step 4: Simplify right side
    10,967.62x = 90,804,788.67
  5. Step 5: Solve for x
    x = 90,804,788.67/10,967.62
  6. Step 6: Final answer
    x = 8,279.35

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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.