Home / 11,074.52-15,285.23-6,361.40

Finding the Fourth Proportional to 11,074.52, 15,285.23 and 6,361.40

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Solution

The fourth proportional to 11,074.52, 15,285.23 and 6,361.40 is: 8,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.52 : 15,285.23 = 6,361.40 : x
  2. Step 2: Convert to fraction form
    11,074.52/15,285.23 = 6,361.40/x
  3. Step 3: Cross multiply
    11,074.52x = 15,285.23 × 6,361.40
  4. Step 4: Simplify right side
    11,074.52x = 97,235,353.89
  5. Step 5: Solve for x
    x = 97,235,353.89/11,074.52
  6. Step 6: Final answer
    x = 8,780.10

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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.