Home / 9,171.39-13,742.60-6,973.41

Finding the Fourth Proportional to 9,171.39, 13,742.60 and 6,973.41

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Solution

The fourth proportional to 9,171.39, 13,742.60 and 6,973.41 is: 10,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.39 : 13,742.60 = 6,973.41 : x
  2. Step 2: Convert to fraction form
    9,171.39/13,742.60 = 6,973.41/x
  3. Step 3: Cross multiply
    9,171.39x = 13,742.60 × 6,973.41
  4. Step 4: Simplify right side
    9,171.39x = 95,832,749.40
  5. Step 5: Solve for x
    x = 95,832,749.40/9,171.39
  6. Step 6: Final answer
    x = 10,449.10

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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.