Home / 8,065.73-12,098.58-5,291.74

Finding the Fourth Proportional to 8,065.73, 12,098.58 and 5,291.74

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Solution

The fourth proportional to 8,065.73, 12,098.58 and 5,291.74 is: 7,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.73 : 12,098.58 = 5,291.74 : x
  2. Step 2: Convert to fraction form
    8,065.73/12,098.58 = 5,291.74/x
  3. Step 3: Cross multiply
    8,065.73x = 12,098.58 × 5,291.74
  4. Step 4: Simplify right side
    8,065.73x = 64,022,535.01
  5. Step 5: Solve for x
    x = 64,022,535.01/8,065.73
  6. Step 6: Final answer
    x = 7,937.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.