Home / 10,316.55-15,474.82-3,740.57

Finding the Fourth Proportional to 10,316.55, 15,474.82 and 3,740.57

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Solution

The fourth proportional to 10,316.55, 15,474.82 and 3,740.57 is: 5,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.55 : 15,474.82 = 3,740.57 : x
  2. Step 2: Convert to fraction form
    10,316.55/15,474.82 = 3,740.57/x
  3. Step 3: Cross multiply
    10,316.55x = 15,474.82 × 3,740.57
  4. Step 4: Simplify right side
    10,316.55x = 57,884,647.45
  5. Step 5: Solve for x
    x = 57,884,647.45/10,316.55
  6. Step 6: Final answer
    x = 5,610.85

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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.