Home / 7,410.72-11,121.55-5,967.30

Finding the Fourth Proportional to 7,410.72, 11,121.55 and 5,967.30

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Solution

The fourth proportional to 7,410.72, 11,121.55 and 5,967.30 is: 8,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.72 : 11,121.55 = 5,967.30 : x
  2. Step 2: Convert to fraction form
    7,410.72/11,121.55 = 5,967.30/x
  3. Step 3: Cross multiply
    7,410.72x = 11,121.55 × 5,967.30
  4. Step 4: Simplify right side
    7,410.72x = 66,365,595.48
  5. Step 5: Solve for x
    x = 66,365,595.48/7,410.72
  6. Step 6: Final answer
    x = 8,955.35

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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.