Home / 9,103.26-12,563.70-5,125.15

Finding the Fourth Proportional to 9,103.26, 12,563.70 and 5,125.15

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Solution

The fourth proportional to 9,103.26, 12,563.70 and 5,125.15 is: 7,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.26 : 12,563.70 = 5,125.15 : x
  2. Step 2: Convert to fraction form
    9,103.26/12,563.70 = 5,125.15/x
  3. Step 3: Cross multiply
    9,103.26x = 12,563.70 × 5,125.15
  4. Step 4: Simplify right side
    9,103.26x = 64,390,815.65
  5. Step 5: Solve for x
    x = 64,390,815.65/9,103.26
  6. Step 6: Final answer
    x = 7,073.38

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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.