Home / 8,281.74-11,428.85-4,504.94

Finding the Fourth Proportional to 8,281.74, 11,428.85 and 4,504.94

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Solution

The fourth proportional to 8,281.74, 11,428.85 and 4,504.94 is: 6,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.74 : 11,428.85 = 4,504.94 : x
  2. Step 2: Convert to fraction form
    8,281.74/11,428.85 = 4,504.94/x
  3. Step 3: Cross multiply
    8,281.74x = 11,428.85 × 4,504.94
  4. Step 4: Simplify right side
    8,281.74x = 51,486,283.52
  5. Step 5: Solve for x
    x = 51,486,283.52/8,281.74
  6. Step 6: Final answer
    x = 6,216.84

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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.