Home / 7,848.16-11,769.19-2,916.69

Finding the Fourth Proportional to 7,848.16, 11,769.19 and 2,916.69

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Solution

The fourth proportional to 7,848.16, 11,769.19 and 2,916.69 is: 4,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.16 : 11,769.19 = 2,916.69 : x
  2. Step 2: Convert to fraction form
    7,848.16/11,769.19 = 2,916.69/x
  3. Step 3: Cross multiply
    7,848.16x = 11,769.19 × 2,916.69
  4. Step 4: Simplify right side
    7,848.16x = 34,327,078.78
  5. Step 5: Solve for x
    x = 34,327,078.78/7,848.16
  6. Step 6: Final answer
    x = 4,373.90

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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.