Home / 10,261.88-15,380.67-4,710.55

Finding the Fourth Proportional to 10,261.88, 15,380.67 and 4,710.55

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Solution

The fourth proportional to 10,261.88, 15,380.67 and 4,710.55 is: 7,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.88 : 15,380.67 = 4,710.55 : x
  2. Step 2: Convert to fraction form
    10,261.88/15,380.67 = 4,710.55/x
  3. Step 3: Cross multiply
    10,261.88x = 15,380.67 × 4,710.55
  4. Step 4: Simplify right side
    10,261.88x = 72,451,415.07
  5. Step 5: Solve for x
    x = 72,451,415.07/10,261.88
  6. Step 6: Final answer
    x = 7,060.25

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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.