Home / 12,960.77-19,438.34-5,060.75

Finding the Fourth Proportional to 12,960.77, 19,438.34 and 5,060.75

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Solution

The fourth proportional to 12,960.77, 19,438.34 and 5,060.75 is: 7,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.77 : 19,438.34 = 5,060.75 : x
  2. Step 2: Convert to fraction form
    12,960.77/19,438.34 = 5,060.75/x
  3. Step 3: Cross multiply
    12,960.77x = 19,438.34 × 5,060.75
  4. Step 4: Simplify right side
    12,960.77x = 98,372,602.45
  5. Step 5: Solve for x
    x = 98,372,602.45/12,960.77
  6. Step 6: Final answer
    x = 7,590.03

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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.