Home / 10,252.33-15,378.28-2,856.60

Finding the Fourth Proportional to 10,252.33, 15,378.28 and 2,856.60

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Solution

The fourth proportional to 10,252.33, 15,378.28 and 2,856.60 is: 4,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.33 : 15,378.28 = 2,856.60 : x
  2. Step 2: Convert to fraction form
    10,252.33/15,378.28 = 2,856.60/x
  3. Step 3: Cross multiply
    10,252.33x = 15,378.28 × 2,856.60
  4. Step 4: Simplify right side
    10,252.33x = 43,929,572.14
  5. Step 5: Solve for x
    x = 43,929,572.14/10,252.33
  6. Step 6: Final answer
    x = 4,284.84

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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.