Home / 9,953.28-13,735.17-6,418.44

Finding the Fourth Proportional to 9,953.28, 13,735.17 and 6,418.44

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Solution

The fourth proportional to 9,953.28, 13,735.17 and 6,418.44 is: 8,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.28 : 13,735.17 = 6,418.44 : x
  2. Step 2: Convert to fraction form
    9,953.28/13,735.17 = 6,418.44/x
  3. Step 3: Cross multiply
    9,953.28x = 13,735.17 × 6,418.44
  4. Step 4: Simplify right side
    9,953.28x = 88,158,364.53
  5. Step 5: Solve for x
    x = 88,158,364.53/9,953.28
  6. Step 6: Final answer
    x = 8,857.22

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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.