Home / 10,624.88-14,662.68-6,644.72

Finding the Fourth Proportional to 10,624.88, 14,662.68 and 6,644.72

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Solution

The fourth proportional to 10,624.88, 14,662.68 and 6,644.72 is: 9,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.88 : 14,662.68 = 6,644.72 : x
  2. Step 2: Convert to fraction form
    10,624.88/14,662.68 = 6,644.72/x
  3. Step 3: Cross multiply
    10,624.88x = 14,662.68 × 6,644.72
  4. Step 4: Simplify right side
    10,624.88x = 97,429,403.05
  5. Step 5: Solve for x
    x = 97,429,403.05/10,624.88
  6. Step 6: Final answer
    x = 9,169.93

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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.