Home / 10,505.44-14,497.40-5,789.64

Finding the Fourth Proportional to 10,505.44, 14,497.40 and 5,789.64

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Solution

The fourth proportional to 10,505.44, 14,497.40 and 5,789.64 is: 7,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.44 : 14,497.40 = 5,789.64 : x
  2. Step 2: Convert to fraction form
    10,505.44/14,497.40 = 5,789.64/x
  3. Step 3: Cross multiply
    10,505.44x = 14,497.40 × 5,789.64
  4. Step 4: Simplify right side
    10,505.44x = 83,934,726.94
  5. Step 5: Solve for x
    x = 83,934,726.94/10,505.44
  6. Step 6: Final answer
    x = 7,989.64

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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.