Home / 10,787.45-16,170.23-4,204.58

Finding the Fourth Proportional to 10,787.45, 16,170.23 and 4,204.58

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Solution

The fourth proportional to 10,787.45, 16,170.23 and 4,204.58 is: 6,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.45 : 16,170.23 = 4,204.58 : x
  2. Step 2: Convert to fraction form
    10,787.45/16,170.23 = 4,204.58/x
  3. Step 3: Cross multiply
    10,787.45x = 16,170.23 × 4,204.58
  4. Step 4: Simplify right side
    10,787.45x = 67,988,955.31
  5. Step 5: Solve for x
    x = 67,988,955.31/10,787.45
  6. Step 6: Final answer
    x = 6,302.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.