Home / 10,098.46-13,936.28-5,622.40

Finding the Fourth Proportional to 10,098.46, 13,936.28 and 5,622.40

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Solution

The fourth proportional to 10,098.46, 13,936.28 and 5,622.40 is: 7,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.46 : 13,936.28 = 5,622.40 : x
  2. Step 2: Convert to fraction form
    10,098.46/13,936.28 = 5,622.40/x
  3. Step 3: Cross multiply
    10,098.46x = 13,936.28 × 5,622.40
  4. Step 4: Simplify right side
    10,098.46x = 78,355,340.67
  5. Step 5: Solve for x
    x = 78,355,340.67/10,098.46
  6. Step 6: Final answer
    x = 7,759.14

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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.