Home / 11,325.42-15,627.45-6,787.02

Finding the Fourth Proportional to 11,325.42, 15,627.45 and 6,787.02

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Solution

The fourth proportional to 11,325.42, 15,627.45 and 6,787.02 is: 9,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.42 : 15,627.45 = 6,787.02 : x
  2. Step 2: Convert to fraction form
    11,325.42/15,627.45 = 6,787.02/x
  3. Step 3: Cross multiply
    11,325.42x = 15,627.45 × 6,787.02
  4. Step 4: Simplify right side
    11,325.42x = 106,063,815.70
  5. Step 5: Solve for x
    x = 106,063,815.70/11,325.42
  6. Step 6: Final answer
    x = 9,365.11

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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.