Home / 10,316.11-15,474.19-3,742.30

Finding the Fourth Proportional to 10,316.11, 15,474.19 and 3,742.30

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Solution

The fourth proportional to 10,316.11, 15,474.19 and 3,742.30 is: 5,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.11 : 15,474.19 = 3,742.30 : x
  2. Step 2: Convert to fraction form
    10,316.11/15,474.19 = 3,742.30/x
  3. Step 3: Cross multiply
    10,316.11x = 15,474.19 × 3,742.30
  4. Step 4: Simplify right side
    10,316.11x = 57,909,078.24
  5. Step 5: Solve for x
    x = 57,909,078.24/10,316.11
  6. Step 6: Final answer
    x = 5,613.46

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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.