Home / 10,098.63-13,935.96-5,622.21

Finding the Fourth Proportional to 10,098.63, 13,935.96 and 5,622.21

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Solution

The fourth proportional to 10,098.63, 13,935.96 and 5,622.21 is: 7,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.63 : 13,935.96 = 5,622.21 : x
  2. Step 2: Convert to fraction form
    10,098.63/13,935.96 = 5,622.21/x
  3. Step 3: Cross multiply
    10,098.63x = 13,935.96 × 5,622.21
  4. Step 4: Simplify right side
    10,098.63x = 78,350,893.67
  5. Step 5: Solve for x
    x = 78,350,893.67/10,098.63
  6. Step 6: Final answer
    x = 7,758.57

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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.