Home / 10,715.27-16,075.46-4,471.80

Finding the Fourth Proportional to 10,715.27, 16,075.46 and 4,471.80

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Solution

The fourth proportional to 10,715.27, 16,075.46 and 4,471.80 is: 6,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.27 : 16,075.46 = 4,471.80 : x
  2. Step 2: Convert to fraction form
    10,715.27/16,075.46 = 4,471.80/x
  3. Step 3: Cross multiply
    10,715.27x = 16,075.46 × 4,471.80
  4. Step 4: Simplify right side
    10,715.27x = 71,886,253.21
  5. Step 5: Solve for x
    x = 71,886,253.21/10,715.27
  6. Step 6: Final answer
    x = 6,708.77

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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.