Home / 10,729.92-14,808.80-6,255.12

Finding the Fourth Proportional to 10,729.92, 14,808.80 and 6,255.12

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Solution

The fourth proportional to 10,729.92, 14,808.80 and 6,255.12 is: 8,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.92 : 14,808.80 = 6,255.12 : x
  2. Step 2: Convert to fraction form
    10,729.92/14,808.80 = 6,255.12/x
  3. Step 3: Cross multiply
    10,729.92x = 14,808.80 × 6,255.12
  4. Step 4: Simplify right side
    10,729.92x = 92,630,821.06
  5. Step 5: Solve for x
    x = 92,630,821.06/10,729.92
  6. Step 6: Final answer
    x = 8,632.95

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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.