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Finding the Fourth Proportional to 9,486.54, 13,090.95 and 5,293.98

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Solution

The fourth proportional to 9,486.54, 13,090.95 and 5,293.98 is: 7,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.54 : 13,090.95 = 5,293.98 : x
  2. Step 2: Convert to fraction form
    9,486.54/13,090.95 = 5,293.98/x
  3. Step 3: Cross multiply
    9,486.54x = 13,090.95 × 5,293.98
  4. Step 4: Simplify right side
    9,486.54x = 69,303,227.48
  5. Step 5: Solve for x
    x = 69,303,227.48/9,486.54
  6. Step 6: Final answer
    x = 7,305.43

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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.