Home / 9,624.78-14,438.67-4,078.16

Finding the Fourth Proportional to 9,624.78, 14,438.67 and 4,078.16

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Solution

The fourth proportional to 9,624.78, 14,438.67 and 4,078.16 is: 6,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.78 : 14,438.67 = 4,078.16 : x
  2. Step 2: Convert to fraction form
    9,624.78/14,438.67 = 4,078.16/x
  3. Step 3: Cross multiply
    9,624.78x = 14,438.67 × 4,078.16
  4. Step 4: Simplify right side
    9,624.78x = 58,883,134.25
  5. Step 5: Solve for x
    x = 58,883,134.25/9,624.78
  6. Step 6: Final answer
    x = 6,117.87

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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.