Home / 7,748.60-11,624.72-4,237.65

Finding the Fourth Proportional to 7,748.60, 11,624.72 and 4,237.65

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Solution

The fourth proportional to 7,748.60, 11,624.72 and 4,237.65 is: 6,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.60 : 11,624.72 = 4,237.65 : x
  2. Step 2: Convert to fraction form
    7,748.60/11,624.72 = 4,237.65/x
  3. Step 3: Cross multiply
    7,748.60x = 11,624.72 × 4,237.65
  4. Step 4: Simplify right side
    7,748.60x = 49,261,473.52
  5. Step 5: Solve for x
    x = 49,261,473.52/7,748.60
  6. Step 6: Final answer
    x = 6,357.47

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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.