Home / 10,619.34-15,923.55-4,770.93

Finding the Fourth Proportional to 10,619.34, 15,923.55 and 4,770.93

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Solution

The fourth proportional to 10,619.34, 15,923.55 and 4,770.93 is: 7,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.34 : 15,923.55 = 4,770.93 : x
  2. Step 2: Convert to fraction form
    10,619.34/15,923.55 = 4,770.93/x
  3. Step 3: Cross multiply
    10,619.34x = 15,923.55 × 4,770.93
  4. Step 4: Simplify right side
    10,619.34x = 75,970,142.40
  5. Step 5: Solve for x
    x = 75,970,142.40/10,619.34
  6. Step 6: Final answer
    x = 7,153.94

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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.