Home / 9,708.86-14,563.60-3,135.11

Finding the Fourth Proportional to 9,708.86, 14,563.60 and 3,135.11

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Solution

The fourth proportional to 9,708.86, 14,563.60 and 3,135.11 is: 4,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.86 : 14,563.60 = 3,135.11 : x
  2. Step 2: Convert to fraction form
    9,708.86/14,563.60 = 3,135.11/x
  3. Step 3: Cross multiply
    9,708.86x = 14,563.60 × 3,135.11
  4. Step 4: Simplify right side
    9,708.86x = 45,658,407.34
  5. Step 5: Solve for x
    x = 45,658,407.34/9,708.86
  6. Step 6: Final answer
    x = 4,702.76

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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.