Home / 12,549.48-17,340.84-9,006.54

Finding the Fourth Proportional to 12,549.48, 17,340.84 and 9,006.54

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Solution

The fourth proportional to 12,549.48, 17,340.84 and 9,006.54 is: 12,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.48 : 17,340.84 = 9,006.54 : x
  2. Step 2: Convert to fraction form
    12,549.48/17,340.84 = 9,006.54/x
  3. Step 3: Cross multiply
    12,549.48x = 17,340.84 × 9,006.54
  4. Step 4: Simplify right side
    12,549.48x = 156,180,969.09
  5. Step 5: Solve for x
    x = 156,180,969.09/12,549.48
  6. Step 6: Final answer
    x = 12,445.21

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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.