Home / 12,466.28-17,219.88-9,242.64

Finding the Fourth Proportional to 12,466.28, 17,219.88 and 9,242.64

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Solution

The fourth proportional to 12,466.28, 17,219.88 and 9,242.64 is: 12,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.28 : 17,219.88 = 9,242.64 : x
  2. Step 2: Convert to fraction form
    12,466.28/17,219.88 = 9,242.64/x
  3. Step 3: Cross multiply
    12,466.28x = 17,219.88 × 9,242.64
  4. Step 4: Simplify right side
    12,466.28x = 159,157,151.68
  5. Step 5: Solve for x
    x = 159,157,151.68/12,466.28
  6. Step 6: Final answer
    x = 12,767.01

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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.