Home / 11,207.73-15,466.72-6,427.86

Finding the Fourth Proportional to 11,207.73, 15,466.72 and 6,427.86

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Solution

The fourth proportional to 11,207.73, 15,466.72 and 6,427.86 is: 8,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.73 : 15,466.72 = 6,427.86 : x
  2. Step 2: Convert to fraction form
    11,207.73/15,466.72 = 6,427.86/x
  3. Step 3: Cross multiply
    11,207.73x = 15,466.72 × 6,427.86
  4. Step 4: Simplify right side
    11,207.73x = 99,417,882.70
  5. Step 5: Solve for x
    x = 99,417,882.70/11,207.73
  6. Step 6: Final answer
    x = 8,870.48

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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.