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Finding the Fourth Proportional to 9,077.77, 12,525.95 and 5,098.12

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Solution

The fourth proportional to 9,077.77, 12,525.95 and 5,098.12 is: 7,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.77 : 12,525.95 = 5,098.12 : x
  2. Step 2: Convert to fraction form
    9,077.77/12,525.95 = 5,098.12/x
  3. Step 3: Cross multiply
    9,077.77x = 12,525.95 × 5,098.12
  4. Step 4: Simplify right side
    9,077.77x = 63,858,708.09
  5. Step 5: Solve for x
    x = 63,858,708.09/9,077.77
  6. Step 6: Final answer
    x = 7,034.63

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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.