Home / 10,261.13-15,379.55-4,709.80

Finding the Fourth Proportional to 10,261.13, 15,379.55 and 4,709.80

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Solution

The fourth proportional to 10,261.13, 15,379.55 and 4,709.80 is: 7,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.13 : 15,379.55 = 4,709.80 : x
  2. Step 2: Convert to fraction form
    10,261.13/15,379.55 = 4,709.80/x
  3. Step 3: Cross multiply
    10,261.13x = 15,379.55 × 4,709.80
  4. Step 4: Simplify right side
    10,261.13x = 72,434,504.14
  5. Step 5: Solve for x
    x = 72,434,504.14/10,261.13
  6. Step 6: Final answer
    x = 7,059.12

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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.