Home / 7,624.48-11,431.24-3,462.40

Finding the Fourth Proportional to 7,624.48, 11,431.24 and 3,462.40

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Solution

The fourth proportional to 7,624.48, 11,431.24 and 3,462.40 is: 5,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.48 : 11,431.24 = 3,462.40 : x
  2. Step 2: Convert to fraction form
    7,624.48/11,431.24 = 3,462.40/x
  3. Step 3: Cross multiply
    7,624.48x = 11,431.24 × 3,462.40
  4. Step 4: Simplify right side
    7,624.48x = 39,579,525.38
  5. Step 5: Solve for x
    x = 39,579,525.38/7,624.48
  6. Step 6: Final answer
    x = 5,191.11

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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.