Home / 11,021.04-15,202.32-6,541.76

Finding the Fourth Proportional to 11,021.04, 15,202.32 and 6,541.76

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Solution

The fourth proportional to 11,021.04, 15,202.32 and 6,541.76 is: 9,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.04 : 15,202.32 = 6,541.76 : x
  2. Step 2: Convert to fraction form
    11,021.04/15,202.32 = 6,541.76/x
  3. Step 3: Cross multiply
    11,021.04x = 15,202.32 × 6,541.76
  4. Step 4: Simplify right side
    11,021.04x = 99,449,928.88
  5. Step 5: Solve for x
    x = 99,449,928.88/11,021.04
  6. Step 6: Final answer
    x = 9,023.64

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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.