Home / 9,152.20-12,630.09-4,960.45

Finding the Fourth Proportional to 9,152.20, 12,630.09 and 4,960.45

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Solution

The fourth proportional to 9,152.20, 12,630.09 and 4,960.45 is: 6,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.20 : 12,630.09 = 4,960.45 : x
  2. Step 2: Convert to fraction form
    9,152.20/12,630.09 = 4,960.45/x
  3. Step 3: Cross multiply
    9,152.20x = 12,630.09 × 4,960.45
  4. Step 4: Simplify right side
    9,152.20x = 62,650,929.94
  5. Step 5: Solve for x
    x = 62,650,929.94/9,152.20
  6. Step 6: Final answer
    x = 6,845.45

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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.