Home / 9,813.48-13,543.92-6,277.56

Finding the Fourth Proportional to 9,813.48, 13,543.92 and 6,277.56

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Solution

The fourth proportional to 9,813.48, 13,543.92 and 6,277.56 is: 8,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.48 : 13,543.92 = 6,277.56 : x
  2. Step 2: Convert to fraction form
    9,813.48/13,543.92 = 6,277.56/x
  3. Step 3: Cross multiply
    9,813.48x = 13,543.92 × 6,277.56
  4. Step 4: Simplify right side
    9,813.48x = 85,022,770.44
  5. Step 5: Solve for x
    x = 85,022,770.44/9,813.48
  6. Step 6: Final answer
    x = 8,663.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.