Home / 7,916.16-10,923.84-4,379.92

Finding the Fourth Proportional to 7,916.16, 10,923.84 and 4,379.92

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Solution

The fourth proportional to 7,916.16, 10,923.84 and 4,379.92 is: 6,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.16 : 10,923.84 = 4,379.92 : x
  2. Step 2: Convert to fraction form
    7,916.16/10,923.84 = 4,379.92/x
  3. Step 3: Cross multiply
    7,916.16x = 10,923.84 × 4,379.92
  4. Step 4: Simplify right side
    7,916.16x = 47,845,545.29
  5. Step 5: Solve for x
    x = 47,845,545.29/7,916.16
  6. Step 6: Final answer
    x = 6,044.03

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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.