Home / 11,375.36-15,698.10-6,339.41

Finding the Fourth Proportional to 11,375.36, 15,698.10 and 6,339.41

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Solution

The fourth proportional to 11,375.36, 15,698.10 and 6,339.41 is: 8,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.36 : 15,698.10 = 6,339.41 : x
  2. Step 2: Convert to fraction form
    11,375.36/15,698.10 = 6,339.41/x
  3. Step 3: Cross multiply
    11,375.36x = 15,698.10 × 6,339.41
  4. Step 4: Simplify right side
    11,375.36x = 99,516,784.57
  5. Step 5: Solve for x
    x = 99,516,784.57/11,375.36
  6. Step 6: Final answer
    x = 8,748.45

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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.