Home / 12,416.67-17,123.64-9,237.92

Finding the Fourth Proportional to 12,416.67, 17,123.64 and 9,237.92

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Solution

The fourth proportional to 12,416.67, 17,123.64 and 9,237.92 is: 12,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.67 : 17,123.64 = 9,237.92 : x
  2. Step 2: Convert to fraction form
    12,416.67/17,123.64 = 9,237.92/x
  3. Step 3: Cross multiply
    12,416.67x = 17,123.64 × 9,237.92
  4. Step 4: Simplify right side
    12,416.67x = 158,186,816.43
  5. Step 5: Solve for x
    x = 158,186,816.43/12,416.67
  6. Step 6: Final answer
    x = 12,739.87

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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.