Home / 10,316.08-15,478.34-3,742.96

Finding the Fourth Proportional to 10,316.08, 15,478.34 and 3,742.96

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Solution

The fourth proportional to 10,316.08, 15,478.34 and 3,742.96 is: 5,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.08 : 15,478.34 = 3,742.96 : x
  2. Step 2: Convert to fraction form
    10,316.08/15,478.34 = 3,742.96/x
  3. Step 3: Cross multiply
    10,316.08x = 15,478.34 × 3,742.96
  4. Step 4: Simplify right side
    10,316.08x = 57,934,807.49
  5. Step 5: Solve for x
    x = 57,934,807.49/10,316.08
  6. Step 6: Final answer
    x = 5,615.97

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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.