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Finding the Fourth Proportional to 9,258.82, 12,777.13 and 5,009.88

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Solution

The fourth proportional to 9,258.82, 12,777.13 and 5,009.88 is: 6,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.82 : 12,777.13 = 5,009.88 : x
  2. Step 2: Convert to fraction form
    9,258.82/12,777.13 = 5,009.88/x
  3. Step 3: Cross multiply
    9,258.82x = 12,777.13 × 5,009.88
  4. Step 4: Simplify right side
    9,258.82x = 64,011,888.04
  5. Step 5: Solve for x
    x = 64,011,888.04/9,258.82
  6. Step 6: Final answer
    x = 6,913.61

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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.