Home / 10,393.38-14,343.21-5,677.83

Finding the Fourth Proportional to 10,393.38, 14,343.21 and 5,677.83

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Solution

The fourth proportional to 10,393.38, 14,343.21 and 5,677.83 is: 7,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.38 : 14,343.21 = 5,677.83 : x
  2. Step 2: Convert to fraction form
    10,393.38/14,343.21 = 5,677.83/x
  3. Step 3: Cross multiply
    10,393.38x = 14,343.21 × 5,677.83
  4. Step 4: Simplify right side
    10,393.38x = 81,438,308.03
  5. Step 5: Solve for x
    x = 81,438,308.03/10,393.38
  6. Step 6: Final answer
    x = 7,835.59

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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.