Home / 12,330.05-17,015.66-7,024.76

Finding the Fourth Proportional to 12,330.05, 17,015.66 and 7,024.76

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Solution

The fourth proportional to 12,330.05, 17,015.66 and 7,024.76 is: 9,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.05 : 17,015.66 = 7,024.76 : x
  2. Step 2: Convert to fraction form
    12,330.05/17,015.66 = 7,024.76/x
  3. Step 3: Cross multiply
    12,330.05x = 17,015.66 × 7,024.76
  4. Step 4: Simplify right side
    12,330.05x = 119,530,807.54
  5. Step 5: Solve for x
    x = 119,530,807.54/12,330.05
  6. Step 6: Final answer
    x = 9,694.27

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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.