Home / 10,801.45-16,203.05-7,898.14

Finding the Fourth Proportional to 10,801.45, 16,203.05 and 7,898.14

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Solution

The fourth proportional to 10,801.45, 16,203.05 and 7,898.14 is: 11,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.45 : 16,203.05 = 7,898.14 : x
  2. Step 2: Convert to fraction form
    10,801.45/16,203.05 = 7,898.14/x
  3. Step 3: Cross multiply
    10,801.45x = 16,203.05 × 7,898.14
  4. Step 4: Simplify right side
    10,801.45x = 127,973,836.82
  5. Step 5: Solve for x
    x = 127,973,836.82/10,801.45
  6. Step 6: Final answer
    x = 11,847.84

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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.