Home / 11,311.23-15,595.14-8,084.91

Finding the Fourth Proportional to 11,311.23, 15,595.14 and 8,084.91

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Solution

The fourth proportional to 11,311.23, 15,595.14 and 8,084.91 is: 11,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.23 : 15,595.14 = 8,084.91 : x
  2. Step 2: Convert to fraction form
    11,311.23/15,595.14 = 8,084.91/x
  3. Step 3: Cross multiply
    11,311.23x = 15,595.14 × 8,084.91
  4. Step 4: Simplify right side
    11,311.23x = 126,085,303.34
  5. Step 5: Solve for x
    x = 126,085,303.34/11,311.23
  6. Step 6: Final answer
    x = 11,146.91

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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.