Home / 12,259.04-18,383.10-3,491.88

Finding the Fourth Proportional to 12,259.04, 18,383.10 and 3,491.88

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Solution

The fourth proportional to 12,259.04, 18,383.10 and 3,491.88 is: 5,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.04 : 18,383.10 = 3,491.88 : x
  2. Step 2: Convert to fraction form
    12,259.04/18,383.10 = 3,491.88/x
  3. Step 3: Cross multiply
    12,259.04x = 18,383.10 × 3,491.88
  4. Step 4: Simplify right side
    12,259.04x = 64,191,579.23
  5. Step 5: Solve for x
    x = 64,191,579.23/12,259.04
  6. Step 6: Final answer
    x = 5,236.26

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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.