Home / 10,819.13-14,930.46-6,627.38

Finding the Fourth Proportional to 10,819.13, 14,930.46 and 6,627.38

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Solution

The fourth proportional to 10,819.13, 14,930.46 and 6,627.38 is: 9,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.13 : 14,930.46 = 6,627.38 : x
  2. Step 2: Convert to fraction form
    10,819.13/14,930.46 = 6,627.38/x
  3. Step 3: Cross multiply
    10,819.13x = 14,930.46 × 6,627.38
  4. Step 4: Simplify right side
    10,819.13x = 98,949,757.34
  5. Step 5: Solve for x
    x = 98,949,757.34/10,819.13
  6. Step 6: Final answer
    x = 9,145.82

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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.