Home / 7,972.46-11,001.72-4,435.60

Finding the Fourth Proportional to 7,972.46, 11,001.72 and 4,435.60

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Solution

The fourth proportional to 7,972.46, 11,001.72 and 4,435.60 is: 6,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.46 : 11,001.72 = 4,435.60 : x
  2. Step 2: Convert to fraction form
    7,972.46/11,001.72 = 4,435.60/x
  3. Step 3: Cross multiply
    7,972.46x = 11,001.72 × 4,435.60
  4. Step 4: Simplify right side
    7,972.46x = 48,799,229.23
  5. Step 5: Solve for x
    x = 48,799,229.23/7,972.46
  6. Step 6: Final answer
    x = 6,120.98

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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.