Home / 9,125.49-13,689.10-2,551.68

Finding the Fourth Proportional to 9,125.49, 13,689.10 and 2,551.68

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Solution

The fourth proportional to 9,125.49, 13,689.10 and 2,551.68 is: 3,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.49 : 13,689.10 = 2,551.68 : x
  2. Step 2: Convert to fraction form
    9,125.49/13,689.10 = 2,551.68/x
  3. Step 3: Cross multiply
    9,125.49x = 13,689.10 × 2,551.68
  4. Step 4: Simplify right side
    9,125.49x = 34,930,184.26
  5. Step 5: Solve for x
    x = 34,930,184.26/9,125.49
  6. Step 6: Final answer
    x = 3,827.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.