Home / 9,962.34-13,743.40-6,426.69

Finding the Fourth Proportional to 9,962.34, 13,743.40 and 6,426.69

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Solution

The fourth proportional to 9,962.34, 13,743.40 and 6,426.69 is: 8,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.34 : 13,743.40 = 6,426.69 : x
  2. Step 2: Convert to fraction form
    9,962.34/13,743.40 = 6,426.69/x
  3. Step 3: Cross multiply
    9,962.34x = 13,743.40 × 6,426.69
  4. Step 4: Simplify right side
    9,962.34x = 88,324,571.35
  5. Step 5: Solve for x
    x = 88,324,571.35/9,962.34
  6. Step 6: Final answer
    x = 8,865.85

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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.