Home / 9,972.12-13,761.04-5,495.76

Finding the Fourth Proportional to 9,972.12, 13,761.04 and 5,495.76

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Solution

The fourth proportional to 9,972.12, 13,761.04 and 5,495.76 is: 7,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.12 : 13,761.04 = 5,495.76 : x
  2. Step 2: Convert to fraction form
    9,972.12/13,761.04 = 5,495.76/x
  3. Step 3: Cross multiply
    9,972.12x = 13,761.04 × 5,495.76
  4. Step 4: Simplify right side
    9,972.12x = 75,627,373.19
  5. Step 5: Solve for x
    x = 75,627,373.19/9,972.12
  6. Step 6: Final answer
    x = 7,583.88

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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.