Home / 9,358.37-12,914.61-5,166.62

Finding the Fourth Proportional to 9,358.37, 12,914.61 and 5,166.62

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Solution

The fourth proportional to 9,358.37, 12,914.61 and 5,166.62 is: 7,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.37 : 12,914.61 = 5,166.62 : x
  2. Step 2: Convert to fraction form
    9,358.37/12,914.61 = 5,166.62/x
  3. Step 3: Cross multiply
    9,358.37x = 12,914.61 × 5,166.62
  4. Step 4: Simplify right side
    9,358.37x = 66,724,882.32
  5. Step 5: Solve for x
    x = 66,724,882.32/9,358.37
  6. Step 6: Final answer
    x = 7,129.97

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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.