Home / 8,867.18-12,236.61-5,090.44

Finding the Fourth Proportional to 8,867.18, 12,236.61 and 5,090.44

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Solution

The fourth proportional to 8,867.18, 12,236.61 and 5,090.44 is: 7,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.18 : 12,236.61 = 5,090.44 : x
  2. Step 2: Convert to fraction form
    8,867.18/12,236.61 = 5,090.44/x
  3. Step 3: Cross multiply
    8,867.18x = 12,236.61 × 5,090.44
  4. Step 4: Simplify right side
    8,867.18x = 62,289,667.83
  5. Step 5: Solve for x
    x = 62,289,667.83/8,867.18
  6. Step 6: Final answer
    x = 7,024.74

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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.