Home / 7,849.29-10,821.54-6,725.41

Finding the Fourth Proportional to 7,849.29, 10,821.54 and 6,725.41

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Solution

The fourth proportional to 7,849.29, 10,821.54 and 6,725.41 is: 9,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.29 : 10,821.54 = 6,725.41 : x
  2. Step 2: Convert to fraction form
    7,849.29/10,821.54 = 6,725.41/x
  3. Step 3: Cross multiply
    7,849.29x = 10,821.54 × 6,725.41
  4. Step 4: Simplify right side
    7,849.29x = 72,779,293.33
  5. Step 5: Solve for x
    x = 72,779,293.33/7,849.29
  6. Step 6: Final answer
    x = 9,272.09

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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.