Home / 11,254.20-15,529.45-6,218.12

Finding the Fourth Proportional to 11,254.20, 15,529.45 and 6,218.12

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Solution

The fourth proportional to 11,254.20, 15,529.45 and 6,218.12 is: 8,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.20 : 15,529.45 = 6,218.12 : x
  2. Step 2: Convert to fraction form
    11,254.20/15,529.45 = 6,218.12/x
  3. Step 3: Cross multiply
    11,254.20x = 15,529.45 × 6,218.12
  4. Step 4: Simplify right side
    11,254.20x = 96,563,983.63
  5. Step 5: Solve for x
    x = 96,563,983.63/11,254.20
  6. Step 6: Final answer
    x = 8,580.26

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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.