Home / 7,916.34-10,924.70-4,379.88

Finding the Fourth Proportional to 7,916.34, 10,924.70 and 4,379.88

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Solution

The fourth proportional to 7,916.34, 10,924.70 and 4,379.88 is: 6,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.34 : 10,924.70 = 4,379.88 : x
  2. Step 2: Convert to fraction form
    7,916.34/10,924.70 = 4,379.88/x
  3. Step 3: Cross multiply
    7,916.34x = 10,924.70 × 4,379.88
  4. Step 4: Simplify right side
    7,916.34x = 47,848,853.14
  5. Step 5: Solve for x
    x = 47,848,853.14/7,916.34
  6. Step 6: Final answer
    x = 6,044.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.