Home / 10,214.64-14,096.70-5,739.12

Finding the Fourth Proportional to 10,214.64, 14,096.70 and 5,739.12

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Solution

The fourth proportional to 10,214.64, 14,096.70 and 5,739.12 is: 7,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.64 : 14,096.70 = 5,739.12 : x
  2. Step 2: Convert to fraction form
    10,214.64/14,096.70 = 5,739.12/x
  3. Step 3: Cross multiply
    10,214.64x = 14,096.70 × 5,739.12
  4. Step 4: Simplify right side
    10,214.64x = 80,902,652.90
  5. Step 5: Solve for x
    x = 80,902,652.90/10,214.64
  6. Step 6: Final answer
    x = 7,920.26

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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.