Home / 11,787.74-16,267.20-6,482.60

Finding the Fourth Proportional to 11,787.74, 16,267.20 and 6,482.60

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Solution

The fourth proportional to 11,787.74, 16,267.20 and 6,482.60 is: 8,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.74 : 16,267.20 = 6,482.60 : x
  2. Step 2: Convert to fraction form
    11,787.74/16,267.20 = 6,482.60/x
  3. Step 3: Cross multiply
    11,787.74x = 16,267.20 × 6,482.60
  4. Step 4: Simplify right side
    11,787.74x = 105,453,669.38
  5. Step 5: Solve for x
    x = 105,453,669.38/11,787.74
  6. Step 6: Final answer
    x = 8,946.05

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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.