Home / 10,107.58-15,161.42-3,529.15

Finding the Fourth Proportional to 10,107.58, 15,161.42 and 3,529.15

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Solution

The fourth proportional to 10,107.58, 15,161.42 and 3,529.15 is: 5,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.58 : 15,161.42 = 3,529.15 : x
  2. Step 2: Convert to fraction form
    10,107.58/15,161.42 = 3,529.15/x
  3. Step 3: Cross multiply
    10,107.58x = 15,161.42 × 3,529.15
  4. Step 4: Simplify right side
    10,107.58x = 53,506,925.39
  5. Step 5: Solve for x
    x = 53,506,925.39/10,107.58
  6. Step 6: Final answer
    x = 5,293.74

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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.