Home / 9,147.87-12,624.06-4,956.12

Finding the Fourth Proportional to 9,147.87, 12,624.06 and 4,956.12

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Solution

The fourth proportional to 9,147.87, 12,624.06 and 4,956.12 is: 6,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.87 : 12,624.06 = 4,956.12 : x
  2. Step 2: Convert to fraction form
    9,147.87/12,624.06 = 4,956.12/x
  3. Step 3: Cross multiply
    9,147.87x = 12,624.06 × 4,956.12
  4. Step 4: Simplify right side
    9,147.87x = 62,566,346.95
  5. Step 5: Solve for x
    x = 62,566,346.95/9,147.87
  6. Step 6: Final answer
    x = 6,839.44

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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.