Home / 10,982.00-15,140.86-7,001.66

Finding the Fourth Proportional to 10,982.00, 15,140.86 and 7,001.66

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Solution

The fourth proportional to 10,982.00, 15,140.86 and 7,001.66 is: 9,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.00 : 15,140.86 = 7,001.66 : x
  2. Step 2: Convert to fraction form
    10,982.00/15,140.86 = 7,001.66/x
  3. Step 3: Cross multiply
    10,982.00x = 15,140.86 × 7,001.66
  4. Step 4: Simplify right side
    10,982.00x = 106,011,174.18
  5. Step 5: Solve for x
    x = 106,011,174.18/10,982.00
  6. Step 6: Final answer
    x = 9,653.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.