Home / 11,401.88-15,734.43-6,366.18

Finding the Fourth Proportional to 11,401.88, 15,734.43 and 6,366.18

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Solution

The fourth proportional to 11,401.88, 15,734.43 and 6,366.18 is: 8,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.88 : 15,734.43 = 6,366.18 : x
  2. Step 2: Convert to fraction form
    11,401.88/15,734.43 = 6,366.18/x
  3. Step 3: Cross multiply
    11,401.88x = 15,734.43 × 6,366.18
  4. Step 4: Simplify right side
    11,401.88x = 100,168,225.51
  5. Step 5: Solve for x
    x = 100,168,225.51/11,401.88
  6. Step 6: Final answer
    x = 8,785.24

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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.