Home / 10,242.11-15,362.48-2,846.40

Finding the Fourth Proportional to 10,242.11, 15,362.48 and 2,846.40

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Solution

The fourth proportional to 10,242.11, 15,362.48 and 2,846.40 is: 4,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.11 : 15,362.48 = 2,846.40 : x
  2. Step 2: Convert to fraction form
    10,242.11/15,362.48 = 2,846.40/x
  3. Step 3: Cross multiply
    10,242.11x = 15,362.48 × 2,846.40
  4. Step 4: Simplify right side
    10,242.11x = 43,727,806.45
  5. Step 5: Solve for x
    x = 43,727,806.45/10,242.11
  6. Step 6: Final answer
    x = 4,269.41

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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.