Home / 11,222.67-15,487.32-6,118.16

Finding the Fourth Proportional to 11,222.67, 15,487.32 and 6,118.16

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Solution

The fourth proportional to 11,222.67, 15,487.32 and 6,118.16 is: 8,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.67 : 15,487.32 = 6,118.16 : x
  2. Step 2: Convert to fraction form
    11,222.67/15,487.32 = 6,118.16/x
  3. Step 3: Cross multiply
    11,222.67x = 15,487.32 × 6,118.16
  4. Step 4: Simplify right side
    11,222.67x = 94,753,901.73
  5. Step 5: Solve for x
    x = 94,753,901.73/11,222.67
  6. Step 6: Final answer
    x = 8,443.08

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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.