Home / 10,402.04-15,605.79-3,007.10

Finding the Fourth Proportional to 10,402.04, 15,605.79 and 3,007.10

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Solution

The fourth proportional to 10,402.04, 15,605.79 and 3,007.10 is: 4,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.04 : 15,605.79 = 3,007.10 : x
  2. Step 2: Convert to fraction form
    10,402.04/15,605.79 = 3,007.10/x
  3. Step 3: Cross multiply
    10,402.04x = 15,605.79 × 3,007.10
  4. Step 4: Simplify right side
    10,402.04x = 46,928,171.11
  5. Step 5: Solve for x
    x = 46,928,171.11/10,402.04
  6. Step 6: Final answer
    x = 4,511.44

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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.