Home / 7,546.47-11,320.64-1,999.94

Finding the Fourth Proportional to 7,546.47, 11,320.64 and 1,999.94

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Solution

The fourth proportional to 7,546.47, 11,320.64 and 1,999.94 is: 3,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.47 : 11,320.64 = 1,999.94 : x
  2. Step 2: Convert to fraction form
    7,546.47/11,320.64 = 1,999.94/x
  3. Step 3: Cross multiply
    7,546.47x = 11,320.64 × 1,999.94
  4. Step 4: Simplify right side
    7,546.47x = 22,640,534.16
  5. Step 5: Solve for x
    x = 22,640,534.16/7,546.47
  6. Step 6: Final answer
    x = 3,000.15

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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.