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Finding the Fourth Proportional to 7,955.25, 11,852.93 and 7,508.13

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Solution

The fourth proportional to 7,955.25, 11,852.93 and 7,508.13 is: 11,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.25 : 11,852.93 = 7,508.13 : x
  2. Step 2: Convert to fraction form
    7,955.25/11,852.93 = 7,508.13/x
  3. Step 3: Cross multiply
    7,955.25x = 11,852.93 × 7,508.13
  4. Step 4: Simplify right side
    7,955.25x = 88,993,339.32
  5. Step 5: Solve for x
    x = 88,993,339.32/7,955.25
  6. Step 6: Final answer
    x = 11,186.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.