Home / 11,116.44-15,341.40-6,400.62

Finding the Fourth Proportional to 11,116.44, 15,341.40 and 6,400.62

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Solution

The fourth proportional to 11,116.44, 15,341.40 and 6,400.62 is: 8,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.44 : 15,341.40 = 6,400.62 : x
  2. Step 2: Convert to fraction form
    11,116.44/15,341.40 = 6,400.62/x
  3. Step 3: Cross multiply
    11,116.44x = 15,341.40 × 6,400.62
  4. Step 4: Simplify right side
    11,116.44x = 98,194,471.67
  5. Step 5: Solve for x
    x = 98,194,471.67/11,116.44
  6. Step 6: Final answer
    x = 8,833.27

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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.