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Finding the Fourth Proportional to 9,154, 12,632.52 and 4,962.25

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Solution

The fourth proportional to 9,154, 12,632.52 and 4,962.25 is: 6,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154 : 12,632.52 = 4,962.25 : x
  2. Step 2: Convert to fraction form
    9,154/12,632.52 = 4,962.25/x
  3. Step 3: Cross multiply
    9,154x = 12,632.52 × 4,962.25
  4. Step 4: Simplify right side
    9,154x = 62,685,722.37
  5. Step 5: Solve for x
    x = 62,685,722.37/9,154
  6. Step 6: Final answer
    x = 6,847.91

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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.