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Finding the Fourth Proportional to 11,363.18, 15,673.86 and 7,335.14

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Solution

The fourth proportional to 11,363.18, 15,673.86 and 7,335.14 is: 10,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.18 : 15,673.86 = 7,335.14 : x
  2. Step 2: Convert to fraction form
    11,363.18/15,673.86 = 7,335.14/x
  3. Step 3: Cross multiply
    11,363.18x = 15,673.86 × 7,335.14
  4. Step 4: Simplify right side
    11,363.18x = 114,969,879.07
  5. Step 5: Solve for x
    x = 114,969,879.07/11,363.18
  6. Step 6: Final answer
    x = 10,117.76

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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.