Home / 12,282.04-16,949.49-7,247.49

Finding the Fourth Proportional to 12,282.04, 16,949.49 and 7,247.49

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Solution

The fourth proportional to 12,282.04, 16,949.49 and 7,247.49 is: 10,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.04 : 16,949.49 = 7,247.49 : x
  2. Step 2: Convert to fraction form
    12,282.04/16,949.49 = 7,247.49/x
  3. Step 3: Cross multiply
    12,282.04x = 16,949.49 × 7,247.49
  4. Step 4: Simplify right side
    12,282.04x = 122,841,259.28
  5. Step 5: Solve for x
    x = 122,841,259.28/12,282.04
  6. Step 6: Final answer
    x = 10,001.70

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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.