Home / 11,226.66-15,490.98-6,749.34

Finding the Fourth Proportional to 11,226.66, 15,490.98 and 6,749.34

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Solution

The fourth proportional to 11,226.66, 15,490.98 and 6,749.34 is: 9,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.66 : 15,490.98 = 6,749.34 : x
  2. Step 2: Convert to fraction form
    11,226.66/15,490.98 = 6,749.34/x
  3. Step 3: Cross multiply
    11,226.66x = 15,490.98 × 6,749.34
  4. Step 4: Simplify right side
    11,226.66x = 104,553,890.95
  5. Step 5: Solve for x
    x = 104,553,890.95/11,226.66
  6. Step 6: Final answer
    x = 9,313.00

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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.