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Finding the Fourth Proportional to 9,611.16, 13,266.96 and 7,258.92

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Solution

The fourth proportional to 9,611.16, 13,266.96 and 7,258.92 is: 10,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.16 : 13,266.96 = 7,258.92 : x
  2. Step 2: Convert to fraction form
    9,611.16/13,266.96 = 7,258.92/x
  3. Step 3: Cross multiply
    9,611.16x = 13,266.96 × 7,258.92
  4. Step 4: Simplify right side
    9,611.16x = 96,303,801.28
  5. Step 5: Solve for x
    x = 96,303,801.28/9,611.16
  6. Step 6: Final answer
    x = 10,020.00

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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.