Home / 11,311.03-15,606.93-7,331.59

Finding the Fourth Proportional to 11,311.03, 15,606.93 and 7,331.59

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Solution

The fourth proportional to 11,311.03, 15,606.93 and 7,331.59 is: 10,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.03 : 15,606.93 = 7,331.59 : x
  2. Step 2: Convert to fraction form
    11,311.03/15,606.93 = 7,331.59/x
  3. Step 3: Cross multiply
    11,311.03x = 15,606.93 × 7,331.59
  4. Step 4: Simplify right side
    11,311.03x = 114,423,611.92
  5. Step 5: Solve for x
    x = 114,423,611.92/11,311.03
  6. Step 6: Final answer
    x = 10,116.11

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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.