Home / 8,588.73-12,886.76-3,660.69

Finding the Fourth Proportional to 8,588.73, 12,886.76 and 3,660.69

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Solution

The fourth proportional to 8,588.73, 12,886.76 and 3,660.69 is: 5,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.73 : 12,886.76 = 3,660.69 : x
  2. Step 2: Convert to fraction form
    8,588.73/12,886.76 = 3,660.69/x
  3. Step 3: Cross multiply
    8,588.73x = 12,886.76 × 3,660.69
  4. Step 4: Simplify right side
    8,588.73x = 47,174,350.73
  5. Step 5: Solve for x
    x = 47,174,350.73/8,588.73
  6. Step 6: Final answer
    x = 5,492.59

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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.