Home / 11,707.29-16,168.32-10,110.78

Finding the Fourth Proportional to 11,707.29, 16,168.32 and 10,110.78

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Solution

The fourth proportional to 11,707.29, 16,168.32 and 10,110.78 is: 13,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.29 : 16,168.32 = 10,110.78 : x
  2. Step 2: Convert to fraction form
    11,707.29/16,168.32 = 10,110.78/x
  3. Step 3: Cross multiply
    11,707.29x = 16,168.32 × 10,110.78
  4. Step 4: Simplify right side
    11,707.29x = 163,474,326.49
  5. Step 5: Solve for x
    x = 163,474,326.49/11,707.29
  6. Step 6: Final answer
    x = 13,963.46

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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.