Home / 10,187.28-15,282.54-4,993.56

Finding the Fourth Proportional to 10,187.28, 15,282.54 and 4,993.56

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Solution

The fourth proportional to 10,187.28, 15,282.54 and 4,993.56 is: 7,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.28 : 15,282.54 = 4,993.56 : x
  2. Step 2: Convert to fraction form
    10,187.28/15,282.54 = 4,993.56/x
  3. Step 3: Cross multiply
    10,187.28x = 15,282.54 × 4,993.56
  4. Step 4: Simplify right side
    10,187.28x = 76,314,280.44
  5. Step 5: Solve for x
    x = 76,314,280.44/10,187.28
  6. Step 6: Final answer
    x = 7,491.13

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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.