Home / 10,126.60-15,185.44-4,579.72

Finding the Fourth Proportional to 10,126.60, 15,185.44 and 4,579.72

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Solution

The fourth proportional to 10,126.60, 15,185.44 and 4,579.72 is: 6,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.60 : 15,185.44 = 4,579.72 : x
  2. Step 2: Convert to fraction form
    10,126.60/15,185.44 = 4,579.72/x
  3. Step 3: Cross multiply
    10,126.60x = 15,185.44 × 4,579.72
  4. Step 4: Simplify right side
    10,126.60x = 69,545,063.28
  5. Step 5: Solve for x
    x = 69,545,063.28/10,126.60
  6. Step 6: Final answer
    x = 6,867.56

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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.