Home / 7,916.76-10,924.68-4,379.76

Finding the Fourth Proportional to 7,916.76, 10,924.68 and 4,379.76

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Solution

The fourth proportional to 7,916.76, 10,924.68 and 4,379.76 is: 6,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.76 : 10,924.68 = 4,379.76 : x
  2. Step 2: Convert to fraction form
    7,916.76/10,924.68 = 4,379.76/x
  3. Step 3: Cross multiply
    7,916.76x = 10,924.68 × 4,379.76
  4. Step 4: Simplify right side
    7,916.76x = 47,847,476.48
  5. Step 5: Solve for x
    x = 47,847,476.48/7,916.76
  6. Step 6: Final answer
    x = 6,043.82

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1.5x scale

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.