Home / 10,052.17-13,872.74-5,576.78

Finding the Fourth Proportional to 10,052.17, 13,872.74 and 5,576.78

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Solution

The fourth proportional to 10,052.17, 13,872.74 and 5,576.78 is: 7,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.17 : 13,872.74 = 5,576.78 : x
  2. Step 2: Convert to fraction form
    10,052.17/13,872.74 = 5,576.78/x
  3. Step 3: Cross multiply
    10,052.17x = 13,872.74 × 5,576.78
  4. Step 4: Simplify right side
    10,052.17x = 77,365,225.78
  5. Step 5: Solve for x
    x = 77,365,225.78/10,052.17
  6. Step 6: Final answer
    x = 7,696.37

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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.