Home / 7,451.46-11,126.16-6,355.26

Finding the Fourth Proportional to 7,451.46, 11,126.16 and 6,355.26

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Solution

The fourth proportional to 7,451.46, 11,126.16 and 6,355.26 is: 9,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.46 : 11,126.16 = 6,355.26 : x
  2. Step 2: Convert to fraction form
    7,451.46/11,126.16 = 6,355.26/x
  3. Step 3: Cross multiply
    7,451.46x = 11,126.16 × 6,355.26
  4. Step 4: Simplify right side
    7,451.46x = 70,709,639.60
  5. Step 5: Solve for x
    x = 70,709,639.60/7,451.46
  6. Step 6: Final answer
    x = 9,489.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.