Home / 11,135.70-16,663.75-9,672.16

Finding the Fourth Proportional to 11,135.70, 16,663.75 and 9,672.16

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Solution

The fourth proportional to 11,135.70, 16,663.75 and 9,672.16 is: 14,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.70 : 16,663.75 = 9,672.16 : x
  2. Step 2: Convert to fraction form
    11,135.70/16,663.75 = 9,672.16/x
  3. Step 3: Cross multiply
    11,135.70x = 16,663.75 × 9,672.16
  4. Step 4: Simplify right side
    11,135.70x = 161,174,451.34
  5. Step 5: Solve for x
    x = 161,174,451.34/11,135.70
  6. Step 6: Final answer
    x = 14,473.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.