Home / 7,848.10-11,767.25-3,686.32

Finding the Fourth Proportional to 7,848.10, 11,767.25 and 3,686.32

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Solution

The fourth proportional to 7,848.10, 11,767.25 and 3,686.32 is: 5,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.10 : 11,767.25 = 3,686.32 : x
  2. Step 2: Convert to fraction form
    7,848.10/11,767.25 = 3,686.32/x
  3. Step 3: Cross multiply
    7,848.10x = 11,767.25 × 3,686.32
  4. Step 4: Simplify right side
    7,848.10x = 43,377,828.82
  5. Step 5: Solve for x
    x = 43,377,828.82/7,848.10
  6. Step 6: Final answer
    x = 5,527.18

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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.