Home / 10,026.30-13,836.47-5,489.38

Finding the Fourth Proportional to 10,026.30, 13,836.47 and 5,489.38

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Solution

The fourth proportional to 10,026.30, 13,836.47 and 5,489.38 is: 7,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.30 : 13,836.47 = 5,489.38 : x
  2. Step 2: Convert to fraction form
    10,026.30/13,836.47 = 5,489.38/x
  3. Step 3: Cross multiply
    10,026.30x = 13,836.47 × 5,489.38
  4. Step 4: Simplify right side
    10,026.30x = 75,953,579.65
  5. Step 5: Solve for x
    x = 75,953,579.65/10,026.30
  6. Step 6: Final answer
    x = 7,575.43

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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.