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Finding the Fourth Proportional to 9,152.47, 12,630.93 and 5,173.93

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Solution

The fourth proportional to 9,152.47, 12,630.93 and 5,173.93 is: 7,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.47 : 12,630.93 = 5,173.93 : x
  2. Step 2: Convert to fraction form
    9,152.47/12,630.93 = 5,173.93/x
  3. Step 3: Cross multiply
    9,152.47x = 12,630.93 × 5,173.93
  4. Step 4: Simplify right side
    9,152.47x = 65,351,516.08
  5. Step 5: Solve for x
    x = 65,351,516.08/9,152.47
  6. Step 6: Final answer
    x = 7,140.32

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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.