Home / 10,186.76-15,282.44-4,638.62

Finding the Fourth Proportional to 10,186.76, 15,282.44 and 4,638.62

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Solution

The fourth proportional to 10,186.76, 15,282.44 and 4,638.62 is: 6,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.76 : 15,282.44 = 4,638.62 : x
  2. Step 2: Convert to fraction form
    10,186.76/15,282.44 = 4,638.62/x
  3. Step 3: Cross multiply
    10,186.76x = 15,282.44 × 4,638.62
  4. Step 4: Simplify right side
    10,186.76x = 70,889,332.23
  5. Step 5: Solve for x
    x = 70,889,332.23/10,186.76
  6. Step 6: Final answer
    x = 6,958.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.