Home / 7,339.70-11,009.60-5,158.17

Finding the Fourth Proportional to 7,339.70, 11,009.60 and 5,158.17

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Solution

The fourth proportional to 7,339.70, 11,009.60 and 5,158.17 is: 7,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.70 : 11,009.60 = 5,158.17 : x
  2. Step 2: Convert to fraction form
    7,339.70/11,009.60 = 5,158.17/x
  3. Step 3: Cross multiply
    7,339.70x = 11,009.60 × 5,158.17
  4. Step 4: Simplify right side
    7,339.70x = 56,789,388.43
  5. Step 5: Solve for x
    x = 56,789,388.43/7,339.70
  6. Step 6: Final answer
    x = 7,737.29

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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.