Home / 11,095.72-15,311.46-6,127.72

Finding the Fourth Proportional to 11,095.72, 15,311.46 and 6,127.72

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Solution

The fourth proportional to 11,095.72, 15,311.46 and 6,127.72 is: 8,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.72 : 15,311.46 = 6,127.72 : x
  2. Step 2: Convert to fraction form
    11,095.72/15,311.46 = 6,127.72/x
  3. Step 3: Cross multiply
    11,095.72x = 15,311.46 × 6,127.72
  4. Step 4: Simplify right side
    11,095.72x = 93,824,339.67
  5. Step 5: Solve for x
    x = 93,824,339.67/11,095.72
  6. Step 6: Final answer
    x = 8,455.90

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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.