Home / 7,848.36-11,774.16-2,653.56

Finding the Fourth Proportional to 7,848.36, 11,774.16 and 2,653.56

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Solution

The fourth proportional to 7,848.36, 11,774.16 and 2,653.56 is: 3,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.36 : 11,774.16 = 2,653.56 : x
  2. Step 2: Convert to fraction form
    7,848.36/11,774.16 = 2,653.56/x
  3. Step 3: Cross multiply
    7,848.36x = 11,774.16 × 2,653.56
  4. Step 4: Simplify right side
    7,848.36x = 31,243,440.01
  5. Step 5: Solve for x
    x = 31,243,440.01/7,848.36
  6. Step 6: Final answer
    x = 3,980.89

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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.