Home / 7,624.56-11,454.36-5,408.89

Finding the Fourth Proportional to 7,624.56, 11,454.36 and 5,408.89

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Solution

The fourth proportional to 7,624.56, 11,454.36 and 5,408.89 is: 8,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.56 : 11,454.36 = 5,408.89 : x
  2. Step 2: Convert to fraction form
    7,624.56/11,454.36 = 5,408.89/x
  3. Step 3: Cross multiply
    7,624.56x = 11,454.36 × 5,408.89
  4. Step 4: Simplify right side
    7,624.56x = 61,955,330.01
  5. Step 5: Solve for x
    x = 61,955,330.01/7,624.56
  6. Step 6: Final answer
    x = 8,125.76

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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.