Home / 10,172.13-15,258.46-3,246.63

Finding the Fourth Proportional to 10,172.13, 15,258.46 and 3,246.63

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Solution

The fourth proportional to 10,172.13, 15,258.46 and 3,246.63 is: 4,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.13 : 15,258.46 = 3,246.63 : x
  2. Step 2: Convert to fraction form
    10,172.13/15,258.46 = 3,246.63/x
  3. Step 3: Cross multiply
    10,172.13x = 15,258.46 × 3,246.63
  4. Step 4: Simplify right side
    10,172.13x = 49,538,573.99
  5. Step 5: Solve for x
    x = 49,538,573.99/10,172.13
  6. Step 6: Final answer
    x = 4,870.03

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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.