Home / 10,601.55-15,907.79-5,672.70

Finding the Fourth Proportional to 10,601.55, 15,907.79 and 5,672.70

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Solution

The fourth proportional to 10,601.55, 15,907.79 and 5,672.70 is: 8,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.55 : 15,907.79 = 5,672.70 : x
  2. Step 2: Convert to fraction form
    10,601.55/15,907.79 = 5,672.70/x
  3. Step 3: Cross multiply
    10,601.55x = 15,907.79 × 5,672.70
  4. Step 4: Simplify right side
    10,601.55x = 90,240,134.51
  5. Step 5: Solve for x
    x = 90,240,134.51/10,601.55
  6. Step 6: Final answer
    x = 8,511.98

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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.