Home / 10,107.30-15,154.43-4,262.34

Finding the Fourth Proportional to 10,107.30, 15,154.43 and 4,262.34

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Solution

The fourth proportional to 10,107.30, 15,154.43 and 4,262.34 is: 6,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.30 : 15,154.43 = 4,262.34 : x
  2. Step 2: Convert to fraction form
    10,107.30/15,154.43 = 4,262.34/x
  3. Step 3: Cross multiply
    10,107.30x = 15,154.43 × 4,262.34
  4. Step 4: Simplify right side
    10,107.30x = 64,593,333.17
  5. Step 5: Solve for x
    x = 64,593,333.17/10,107.30
  6. Step 6: Final answer
    x = 6,390.76

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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.