Home / 11,126.12-15,352.74-6,410.60

Finding the Fourth Proportional to 11,126.12, 15,352.74 and 6,410.60

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Solution

The fourth proportional to 11,126.12, 15,352.74 and 6,410.60 is: 8,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.12 : 15,352.74 = 6,410.60 : x
  2. Step 2: Convert to fraction form
    11,126.12/15,352.74 = 6,410.60/x
  3. Step 3: Cross multiply
    11,126.12x = 15,352.74 × 6,410.60
  4. Step 4: Simplify right side
    11,126.12x = 98,420,275.04
  5. Step 5: Solve for x
    x = 98,420,275.04/11,126.12
  6. Step 6: Final answer
    x = 8,845.88

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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.