Home / 12,470.76-18,707.58-3,237.48

Finding the Fourth Proportional to 12,470.76, 18,707.58 and 3,237.48

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Solution

The fourth proportional to 12,470.76, 18,707.58 and 3,237.48 is: 4,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.76 : 18,707.58 = 3,237.48 : x
  2. Step 2: Convert to fraction form
    12,470.76/18,707.58 = 3,237.48/x
  3. Step 3: Cross multiply
    12,470.76x = 18,707.58 × 3,237.48
  4. Step 4: Simplify right side
    12,470.76x = 60,565,416.10
  5. Step 5: Solve for x
    x = 60,565,416.10/12,470.76
  6. Step 6: Final answer
    x = 4,856.59

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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.