Home / 10,375.88-14,319.12-5,660.36

Finding the Fourth Proportional to 10,375.88, 14,319.12 and 5,660.36

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Solution

The fourth proportional to 10,375.88, 14,319.12 and 5,660.36 is: 7,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.88 : 14,319.12 = 5,660.36 : x
  2. Step 2: Convert to fraction form
    10,375.88/14,319.12 = 5,660.36/x
  3. Step 3: Cross multiply
    10,375.88x = 14,319.12 × 5,660.36
  4. Step 4: Simplify right side
    10,375.88x = 81,051,374.08
  5. Step 5: Solve for x
    x = 81,051,374.08/10,375.88
  6. Step 6: Final answer
    x = 7,811.52

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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.