Home / 12,165.13-16,787.88-6,576.13

Finding the Fourth Proportional to 12,165.13, 16,787.88 and 6,576.13

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Solution

The fourth proportional to 12,165.13, 16,787.88 and 6,576.13 is: 9,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.13 : 16,787.88 = 6,576.13 : x
  2. Step 2: Convert to fraction form
    12,165.13/16,787.88 = 6,576.13/x
  3. Step 3: Cross multiply
    12,165.13x = 16,787.88 × 6,576.13
  4. Step 4: Simplify right side
    12,165.13x = 110,399,164.48
  5. Step 5: Solve for x
    x = 110,399,164.48/12,165.13
  6. Step 6: Final answer
    x = 9,075.05

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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.