Home / 9,050.31-12,489.41-5,071.43

Finding the Fourth Proportional to 9,050.31, 12,489.41 and 5,071.43

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Solution

The fourth proportional to 9,050.31, 12,489.41 and 5,071.43 is: 6,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.31 : 12,489.41 = 5,071.43 : x
  2. Step 2: Convert to fraction form
    9,050.31/12,489.41 = 5,071.43/x
  3. Step 3: Cross multiply
    9,050.31x = 12,489.41 × 5,071.43
  4. Step 4: Simplify right side
    9,050.31x = 63,339,212.46
  5. Step 5: Solve for x
    x = 63,339,212.46/9,050.31
  6. Step 6: Final answer
    x = 6,998.57

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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.