Home / 10,007.16-15,011.49-2,986.62

Finding the Fourth Proportional to 10,007.16, 15,011.49 and 2,986.62

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Solution

The fourth proportional to 10,007.16, 15,011.49 and 2,986.62 is: 4,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.16 : 15,011.49 = 2,986.62 : x
  2. Step 2: Convert to fraction form
    10,007.16/15,011.49 = 2,986.62/x
  3. Step 3: Cross multiply
    10,007.16x = 15,011.49 × 2,986.62
  4. Step 4: Simplify right side
    10,007.16x = 44,833,616.26
  5. Step 5: Solve for x
    x = 44,833,616.26/10,007.16
  6. Step 6: Final answer
    x = 4,480.15

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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.