Home / 9,288.96-12,819.11-5,097.21

Finding the Fourth Proportional to 9,288.96, 12,819.11 and 5,097.21

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Solution

The fourth proportional to 9,288.96, 12,819.11 and 5,097.21 is: 7,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.96 : 12,819.11 = 5,097.21 : x
  2. Step 2: Convert to fraction form
    9,288.96/12,819.11 = 5,097.21/x
  3. Step 3: Cross multiply
    9,288.96x = 12,819.11 × 5,097.21
  4. Step 4: Simplify right side
    9,288.96x = 65,341,670.20
  5. Step 5: Solve for x
    x = 65,341,670.20/9,288.96
  6. Step 6: Final answer
    x = 7,034.34

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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.