Home / 10,190.67-14,062.84-5,714.70

Finding the Fourth Proportional to 10,190.67, 14,062.84 and 5,714.70

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Solution

The fourth proportional to 10,190.67, 14,062.84 and 5,714.70 is: 7,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.67 : 14,062.84 = 5,714.70 : x
  2. Step 2: Convert to fraction form
    10,190.67/14,062.84 = 5,714.70/x
  3. Step 3: Cross multiply
    10,190.67x = 14,062.84 × 5,714.70
  4. Step 4: Simplify right side
    10,190.67x = 80,364,911.75
  5. Step 5: Solve for x
    x = 80,364,911.75/10,190.67
  6. Step 6: Final answer
    x = 7,886.13

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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.