Home / 7,964.04-10,980-5,126.34

Finding the Fourth Proportional to 7,964.04, 10,980 and 5,126.34

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Solution

The fourth proportional to 7,964.04, 10,980 and 5,126.34 is: 7,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.04 : 10,980 = 5,126.34 : x
  2. Step 2: Convert to fraction form
    7,964.04/10,980 = 5,126.34/x
  3. Step 3: Cross multiply
    7,964.04x = 10,980 × 5,126.34
  4. Step 4: Simplify right side
    7,964.04x = 56,287,213.20
  5. Step 5: Solve for x
    x = 56,287,213.20/7,964.04
  6. Step 6: Final answer
    x = 7,067.67

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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.