Home / 7,331.06-10,116.89-3,973.88

Finding the Fourth Proportional to 7,331.06, 10,116.89 and 3,973.88

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Solution

The fourth proportional to 7,331.06, 10,116.89 and 3,973.88 is: 5,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.06 : 10,116.89 = 3,973.88 : x
  2. Step 2: Convert to fraction form
    7,331.06/10,116.89 = 3,973.88/x
  3. Step 3: Cross multiply
    7,331.06x = 10,116.89 × 3,973.88
  4. Step 4: Simplify right side
    7,331.06x = 40,203,236.38
  5. Step 5: Solve for x
    x = 40,203,236.38/7,331.06
  6. Step 6: Final answer
    x = 5,483.96

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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.