Home / 9,592.40-13,221.96-6,939.92

Finding the Fourth Proportional to 9,592.40, 13,221.96 and 6,939.92

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Solution

The fourth proportional to 9,592.40, 13,221.96 and 6,939.92 is: 9,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,592.40 : 13,221.96 = 6,939.92 : x
  2. Step 2: Convert to fraction form
    9,592.40/13,221.96 = 6,939.92/x
  3. Step 3: Cross multiply
    9,592.40x = 13,221.96 × 6,939.92
  4. Step 4: Simplify right side
    9,592.40x = 91,759,344.64
  5. Step 5: Solve for x
    x = 91,759,344.64/9,592.40
  6. Step 6: Final answer
    x = 9,565.84

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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.