Home / 12,671.52-17,476.20-9,537.36

Finding the Fourth Proportional to 12,671.52, 17,476.20 and 9,537.36

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Solution

The fourth proportional to 12,671.52, 17,476.20 and 9,537.36 is: 13,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.52 : 17,476.20 = 9,537.36 : x
  2. Step 2: Convert to fraction form
    12,671.52/17,476.20 = 9,537.36/x
  3. Step 3: Cross multiply
    12,671.52x = 17,476.20 × 9,537.36
  4. Step 4: Simplify right side
    12,671.52x = 166,676,810.83
  5. Step 5: Solve for x
    x = 166,676,810.83/12,671.52
  6. Step 6: Final answer
    x = 13,153.66

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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.