Home / 10,819.24-14,929.06-6,102.60

Finding the Fourth Proportional to 10,819.24, 14,929.06 and 6,102.60

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Solution

The fourth proportional to 10,819.24, 14,929.06 and 6,102.60 is: 8,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.24 : 14,929.06 = 6,102.60 : x
  2. Step 2: Convert to fraction form
    10,819.24/14,929.06 = 6,102.60/x
  3. Step 3: Cross multiply
    10,819.24x = 14,929.06 × 6,102.60
  4. Step 4: Simplify right side
    10,819.24x = 91,106,081.56
  5. Step 5: Solve for x
    x = 91,106,081.56/10,819.24
  6. Step 6: Final answer
    x = 8,420.75

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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.