Home / 11,342.81-15,653.48-6,308.46

Finding the Fourth Proportional to 11,342.81, 15,653.48 and 6,308.46

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Solution

The fourth proportional to 11,342.81, 15,653.48 and 6,308.46 is: 8,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.81 : 15,653.48 = 6,308.46 : x
  2. Step 2: Convert to fraction form
    11,342.81/15,653.48 = 6,308.46/x
  3. Step 3: Cross multiply
    11,342.81x = 15,653.48 × 6,308.46
  4. Step 4: Simplify right side
    11,342.81x = 98,749,352.44
  5. Step 5: Solve for x
    x = 98,749,352.44/11,342.81
  6. Step 6: Final answer
    x = 8,705.90

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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.