Home / 10,095.57-13,930.74-6,115.77

Finding the Fourth Proportional to 10,095.57, 13,930.74 and 6,115.77

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Solution

The fourth proportional to 10,095.57, 13,930.74 and 6,115.77 is: 8,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.57 : 13,930.74 = 6,115.77 : x
  2. Step 2: Convert to fraction form
    10,095.57/13,930.74 = 6,115.77/x
  3. Step 3: Cross multiply
    10,095.57x = 13,930.74 × 6,115.77
  4. Step 4: Simplify right side
    10,095.57x = 85,197,201.77
  5. Step 5: Solve for x
    x = 85,197,201.77/10,095.57
  6. Step 6: Final answer
    x = 8,439.07

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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.