Home / 8,281.14-11,428.20-4,925.76

Finding the Fourth Proportional to 8,281.14, 11,428.20 and 4,925.76

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Solution

The fourth proportional to 8,281.14, 11,428.20 and 4,925.76 is: 6,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.14 : 11,428.20 = 4,925.76 : x
  2. Step 2: Convert to fraction form
    8,281.14/11,428.20 = 4,925.76/x
  3. Step 3: Cross multiply
    8,281.14x = 11,428.20 × 4,925.76
  4. Step 4: Simplify right side
    8,281.14x = 56,292,570.43
  5. Step 5: Solve for x
    x = 56,292,570.43/8,281.14
  6. Step 6: Final answer
    x = 6,797.68

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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.