Home / 7,876.65-11,815.02-2,330.04

Finding the Fourth Proportional to 7,876.65, 11,815.02 and 2,330.04

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Solution

The fourth proportional to 7,876.65, 11,815.02 and 2,330.04 is: 3,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.65 : 11,815.02 = 2,330.04 : x
  2. Step 2: Convert to fraction form
    7,876.65/11,815.02 = 2,330.04/x
  3. Step 3: Cross multiply
    7,876.65x = 11,815.02 × 2,330.04
  4. Step 4: Simplify right side
    7,876.65x = 27,529,513.51
  5. Step 5: Solve for x
    x = 27,529,513.51/7,876.65
  6. Step 6: Final answer
    x = 3,495.08

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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.