Home / 10,425.57-15,638.25-4,506.64

Finding the Fourth Proportional to 10,425.57, 15,638.25 and 4,506.64

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Solution

The fourth proportional to 10,425.57, 15,638.25 and 4,506.64 is: 6,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.57 : 15,638.25 = 4,506.64 : x
  2. Step 2: Convert to fraction form
    10,425.57/15,638.25 = 4,506.64/x
  3. Step 3: Cross multiply
    10,425.57x = 15,638.25 × 4,506.64
  4. Step 4: Simplify right side
    10,425.57x = 70,475,962.98
  5. Step 5: Solve for x
    x = 70,475,962.98/10,425.57
  6. Step 6: Final answer
    x = 6,759.91

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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.