Home / 12,627.28-18,954.76-5,236.93

Finding the Fourth Proportional to 12,627.28, 18,954.76 and 5,236.93

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Solution

The fourth proportional to 12,627.28, 18,954.76 and 5,236.93 is: 7,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.28 : 18,954.76 = 5,236.93 : x
  2. Step 2: Convert to fraction form
    12,627.28/18,954.76 = 5,236.93/x
  3. Step 3: Cross multiply
    12,627.28x = 18,954.76 × 5,236.93
  4. Step 4: Simplify right side
    12,627.28x = 99,264,751.29
  5. Step 5: Solve for x
    x = 99,264,751.29/12,627.28
  6. Step 6: Final answer
    x = 7,861.13

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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.