Home / 9,715.14-14,571.80-4,167.45

Finding the Fourth Proportional to 9,715.14, 14,571.80 and 4,167.45

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Solution

The fourth proportional to 9,715.14, 14,571.80 and 4,167.45 is: 6,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.14 : 14,571.80 = 4,167.45 : x
  2. Step 2: Convert to fraction form
    9,715.14/14,571.80 = 4,167.45/x
  3. Step 3: Cross multiply
    9,715.14x = 14,571.80 × 4,167.45
  4. Step 4: Simplify right side
    9,715.14x = 60,727,242.70
  5. Step 5: Solve for x
    x = 60,727,242.70/9,715.14
  6. Step 6: Final answer
    x = 6,250.78

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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.