Home / 7,904.48-11,865.87-4,619.93

Finding the Fourth Proportional to 7,904.48, 11,865.87 and 4,619.93

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Solution

The fourth proportional to 7,904.48, 11,865.87 and 4,619.93 is: 6,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.48 : 11,865.87 = 4,619.93 : x
  2. Step 2: Convert to fraction form
    7,904.48/11,865.87 = 4,619.93/x
  3. Step 3: Cross multiply
    7,904.48x = 11,865.87 × 4,619.93
  4. Step 4: Simplify right side
    7,904.48x = 54,819,429.46
  5. Step 5: Solve for x
    x = 54,819,429.46/7,904.48
  6. Step 6: Final answer
    x = 6,935.24

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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.