Home / 10,022.82-13,829.58-6,485.55

Finding the Fourth Proportional to 10,022.82, 13,829.58 and 6,485.55

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Solution

The fourth proportional to 10,022.82, 13,829.58 and 6,485.55 is: 8,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.82 : 13,829.58 = 6,485.55 : x
  2. Step 2: Convert to fraction form
    10,022.82/13,829.58 = 6,485.55/x
  3. Step 3: Cross multiply
    10,022.82x = 13,829.58 × 6,485.55
  4. Step 4: Simplify right side
    10,022.82x = 89,692,432.57
  5. Step 5: Solve for x
    x = 89,692,432.57/10,022.82
  6. Step 6: Final answer
    x = 8,948.82

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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.