Home / 11,438.16-17,109.78-10,738.32

Finding the Fourth Proportional to 11,438.16, 17,109.78 and 10,738.32

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Solution

The fourth proportional to 11,438.16, 17,109.78 and 10,738.32 is: 16,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.16 : 17,109.78 = 10,738.32 : x
  2. Step 2: Convert to fraction form
    11,438.16/17,109.78 = 10,738.32/x
  3. Step 3: Cross multiply
    11,438.16x = 17,109.78 × 10,738.32
  4. Step 4: Simplify right side
    11,438.16x = 183,730,292.77
  5. Step 5: Solve for x
    x = 183,730,292.77/11,438.16
  6. Step 6: Final answer
    x = 16,062.92

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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.