Home / 10,352.48-14,285.97-5,636.79

Finding the Fourth Proportional to 10,352.48, 14,285.97 and 5,636.79

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Solution

The fourth proportional to 10,352.48, 14,285.97 and 5,636.79 is: 7,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.48 : 14,285.97 = 5,636.79 : x
  2. Step 2: Convert to fraction form
    10,352.48/14,285.97 = 5,636.79/x
  3. Step 3: Cross multiply
    10,352.48x = 14,285.97 × 5,636.79
  4. Step 4: Simplify right side
    10,352.48x = 80,527,012.84
  5. Step 5: Solve for x
    x = 80,527,012.84/10,352.48
  6. Step 6: Final answer
    x = 7,778.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.