Home / 10,007.03-15,011.30-2,986.49

Finding the Fourth Proportional to 10,007.03, 15,011.30 and 2,986.49

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Solution

The fourth proportional to 10,007.03, 15,011.30 and 2,986.49 is: 4,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.03 : 15,011.30 = 2,986.49 : x
  2. Step 2: Convert to fraction form
    10,007.03/15,011.30 = 2,986.49/x
  3. Step 3: Cross multiply
    10,007.03x = 15,011.30 × 2,986.49
  4. Step 4: Simplify right side
    10,007.03x = 44,831,082.40
  5. Step 5: Solve for x
    x = 44,831,082.40/10,007.03
  6. Step 6: Final answer
    x = 4,479.96

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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.