Home / 11,210.28-15,466.56-6,493.64

Finding the Fourth Proportional to 11,210.28, 15,466.56 and 6,493.64

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Solution

The fourth proportional to 11,210.28, 15,466.56 and 6,493.64 is: 8,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.28 : 15,466.56 = 6,493.64 : x
  2. Step 2: Convert to fraction form
    11,210.28/15,466.56 = 6,493.64/x
  3. Step 3: Cross multiply
    11,210.28x = 15,466.56 × 6,493.64
  4. Step 4: Simplify right side
    11,210.28x = 100,434,272.68
  5. Step 5: Solve for x
    x = 100,434,272.68/11,210.28
  6. Step 6: Final answer
    x = 8,959.12

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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.