Home / 9,840.13-13,570.53-6,481.73

Finding the Fourth Proportional to 9,840.13, 13,570.53 and 6,481.73

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Solution

The fourth proportional to 9,840.13, 13,570.53 and 6,481.73 is: 8,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.13 : 13,570.53 = 6,481.73 : x
  2. Step 2: Convert to fraction form
    9,840.13/13,570.53 = 6,481.73/x
  3. Step 3: Cross multiply
    9,840.13x = 13,570.53 × 6,481.73
  4. Step 4: Simplify right side
    9,840.13x = 87,960,511.42
  5. Step 5: Solve for x
    x = 87,960,511.42/9,840.13
  6. Step 6: Final answer
    x = 8,938.96

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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.