Home / 11,507.12-17,261.82-4,580

Finding the Fourth Proportional to 11,507.12, 17,261.82 and 4,580

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Solution

The fourth proportional to 11,507.12, 17,261.82 and 4,580 is: 6,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.12 : 17,261.82 = 4,580 : x
  2. Step 2: Convert to fraction form
    11,507.12/17,261.82 = 4,580/x
  3. Step 3: Cross multiply
    11,507.12x = 17,261.82 × 4,580
  4. Step 4: Simplify right side
    11,507.12x = 79,059,135.60
  5. Step 5: Solve for x
    x = 79,059,135.60/11,507.12
  6. Step 6: Final answer
    x = 6,870.45

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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.