Home / 12,416.31-17,133.62-7,110.99

Finding the Fourth Proportional to 12,416.31, 17,133.62 and 7,110.99

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Solution

The fourth proportional to 12,416.31, 17,133.62 and 7,110.99 is: 9,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.31 : 17,133.62 = 7,110.99 : x
  2. Step 2: Convert to fraction form
    12,416.31/17,133.62 = 7,110.99/x
  3. Step 3: Cross multiply
    12,416.31x = 17,133.62 × 7,110.99
  4. Step 4: Simplify right side
    12,416.31x = 121,836,964.93
  5. Step 5: Solve for x
    x = 121,836,964.93/12,416.31
  6. Step 6: Final answer
    x = 9,812.65

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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.