Home / 11,279.40-16,927.20-4,710.30

Finding the Fourth Proportional to 11,279.40, 16,927.20 and 4,710.30

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Solution

The fourth proportional to 11,279.40, 16,927.20 and 4,710.30 is: 7,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.40 : 16,927.20 = 4,710.30 : x
  2. Step 2: Convert to fraction form
    11,279.40/16,927.20 = 4,710.30/x
  3. Step 3: Cross multiply
    11,279.40x = 16,927.20 × 4,710.30
  4. Step 4: Simplify right side
    11,279.40x = 79,732,190.16
  5. Step 5: Solve for x
    x = 79,732,190.16/11,279.40
  6. Step 6: Final answer
    x = 7,068.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.