Home / 10,440.24-14,404.68-6,716.40

Finding the Fourth Proportional to 10,440.24, 14,404.68 and 6,716.40

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Solution

The fourth proportional to 10,440.24, 14,404.68 and 6,716.40 is: 9,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.24 : 14,404.68 = 6,716.40 : x
  2. Step 2: Convert to fraction form
    10,440.24/14,404.68 = 6,716.40/x
  3. Step 3: Cross multiply
    10,440.24x = 14,404.68 × 6,716.40
  4. Step 4: Simplify right side
    10,440.24x = 96,747,592.75
  5. Step 5: Solve for x
    x = 96,747,592.75/10,440.24
  6. Step 6: Final answer
    x = 9,266.80

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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.