Home / 7,903.35-11,855.70-2,356.34

Finding the Fourth Proportional to 7,903.35, 11,855.70 and 2,356.34

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Solution

The fourth proportional to 7,903.35, 11,855.70 and 2,356.34 is: 3,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.35 : 11,855.70 = 2,356.34 : x
  2. Step 2: Convert to fraction form
    7,903.35/11,855.70 = 2,356.34/x
  3. Step 3: Cross multiply
    7,903.35x = 11,855.70 × 2,356.34
  4. Step 4: Simplify right side
    7,903.35x = 27,936,000.86
  5. Step 5: Solve for x
    x = 27,936,000.86/7,903.35
  6. Step 6: Final answer
    x = 3,534.70

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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.