Home / 12,505.96-18,739.50-4,710.52

Finding the Fourth Proportional to 12,505.96, 18,739.50 and 4,710.52

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Solution

The fourth proportional to 12,505.96, 18,739.50 and 4,710.52 is: 7,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.96 : 18,739.50 = 4,710.52 : x
  2. Step 2: Convert to fraction form
    12,505.96/18,739.50 = 4,710.52/x
  3. Step 3: Cross multiply
    12,505.96x = 18,739.50 × 4,710.52
  4. Step 4: Simplify right side
    12,505.96x = 88,272,789.54
  5. Step 5: Solve for x
    x = 88,272,789.54/12,505.96
  6. Step 6: Final answer
    x = 7,058.46

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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.