Home / 7,957.12-11,931.58-5,462.12

Finding the Fourth Proportional to 7,957.12, 11,931.58 and 5,462.12

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Solution

The fourth proportional to 7,957.12, 11,931.58 and 5,462.12 is: 8,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.12 : 11,931.58 = 5,462.12 : x
  2. Step 2: Convert to fraction form
    7,957.12/11,931.58 = 5,462.12/x
  3. Step 3: Cross multiply
    7,957.12x = 11,931.58 × 5,462.12
  4. Step 4: Simplify right side
    7,957.12x = 65,171,721.75
  5. Step 5: Solve for x
    x = 65,171,721.75/7,957.12
  6. Step 6: Final answer
    x = 8,190.37

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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.