Home / 12,259.12-18,385.44-5,332

Finding the Fourth Proportional to 12,259.12, 18,385.44 and 5,332

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Solution

The fourth proportional to 12,259.12, 18,385.44 and 5,332 is: 7,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.12 : 18,385.44 = 5,332 : x
  2. Step 2: Convert to fraction form
    12,259.12/18,385.44 = 5,332/x
  3. Step 3: Cross multiply
    12,259.12x = 18,385.44 × 5,332
  4. Step 4: Simplify right side
    12,259.12x = 98,031,166.08
  5. Step 5: Solve for x
    x = 98,031,166.08/12,259.12
  6. Step 6: Final answer
    x = 7,996.59

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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.