Home / 10,638.25-15,957.38-2,846.86

Finding the Fourth Proportional to 10,638.25, 15,957.38 and 2,846.86

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Solution

The fourth proportional to 10,638.25, 15,957.38 and 2,846.86 is: 4,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.25 : 15,957.38 = 2,846.86 : x
  2. Step 2: Convert to fraction form
    10,638.25/15,957.38 = 2,846.86/x
  3. Step 3: Cross multiply
    10,638.25x = 15,957.38 × 2,846.86
  4. Step 4: Simplify right side
    10,638.25x = 45,428,426.83
  5. Step 5: Solve for x
    x = 45,428,426.83/10,638.25
  6. Step 6: Final answer
    x = 4,270.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.