Home / 11,222.34-15,486.87-6,117.83

Finding the Fourth Proportional to 11,222.34, 15,486.87 and 6,117.83

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Solution

The fourth proportional to 11,222.34, 15,486.87 and 6,117.83 is: 8,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.34 : 15,486.87 = 6,117.83 : x
  2. Step 2: Convert to fraction form
    11,222.34/15,486.87 = 6,117.83/x
  3. Step 3: Cross multiply
    11,222.34x = 15,486.87 × 6,117.83
  4. Step 4: Simplify right side
    11,222.34x = 94,745,983.88
  5. Step 5: Solve for x
    x = 94,745,983.88/11,222.34
  6. Step 6: Final answer
    x = 8,442.62

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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.