Home / 10,276.46-15,403.85-5,828.55

Finding the Fourth Proportional to 10,276.46, 15,403.85 and 5,828.55

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Solution

The fourth proportional to 10,276.46, 15,403.85 and 5,828.55 is: 8,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.46 : 15,403.85 = 5,828.55 : x
  2. Step 2: Convert to fraction form
    10,276.46/15,403.85 = 5,828.55/x
  3. Step 3: Cross multiply
    10,276.46x = 15,403.85 × 5,828.55
  4. Step 4: Simplify right side
    10,276.46x = 89,782,109.92
  5. Step 5: Solve for x
    x = 89,782,109.92/10,276.46
  6. Step 6: Final answer
    x = 8,736.68

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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.