Home / 9,907.24-13,672.02-5,717.92

Finding the Fourth Proportional to 9,907.24, 13,672.02 and 5,717.92

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Solution

The fourth proportional to 9,907.24, 13,672.02 and 5,717.92 is: 7,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.24 : 13,672.02 = 5,717.92 : x
  2. Step 2: Convert to fraction form
    9,907.24/13,672.02 = 5,717.92/x
  3. Step 3: Cross multiply
    9,907.24x = 13,672.02 × 5,717.92
  4. Step 4: Simplify right side
    9,907.24x = 78,175,516.60
  5. Step 5: Solve for x
    x = 78,175,516.60/9,907.24
  6. Step 6: Final answer
    x = 7,890.75

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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.