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Finding the Fourth Proportional to 9,128.97, 12,597.95 and 4,937.22

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Solution

The fourth proportional to 9,128.97, 12,597.95 and 4,937.22 is: 6,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.97 : 12,597.95 = 4,937.22 : x
  2. Step 2: Convert to fraction form
    9,128.97/12,597.95 = 4,937.22/x
  3. Step 3: Cross multiply
    9,128.97x = 12,597.95 × 4,937.22
  4. Step 4: Simplify right side
    9,128.97x = 62,198,863.04
  5. Step 5: Solve for x
    x = 62,198,863.04/9,128.97
  6. Step 6: Final answer
    x = 6,813.35

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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.