Home / 10,190.89-14,063.41-5,714.64

Finding the Fourth Proportional to 10,190.89, 14,063.41 and 5,714.64

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Solution

The fourth proportional to 10,190.89, 14,063.41 and 5,714.64 is: 7,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.89 : 14,063.41 = 5,714.64 : x
  2. Step 2: Convert to fraction form
    10,190.89/14,063.41 = 5,714.64/x
  3. Step 3: Cross multiply
    10,190.89x = 14,063.41 × 5,714.64
  4. Step 4: Simplify right side
    10,190.89x = 80,367,325.32
  5. Step 5: Solve for x
    x = 80,367,325.32/10,190.89
  6. Step 6: Final answer
    x = 7,886.19

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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.