Home / 7,015.77-10,520.58-2,630.16

Finding the Fourth Proportional to 7,015.77, 10,520.58 and 2,630.16

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Solution

The fourth proportional to 7,015.77, 10,520.58 and 2,630.16 is: 3,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.77 : 10,520.58 = 2,630.16 : x
  2. Step 2: Convert to fraction form
    7,015.77/10,520.58 = 2,630.16/x
  3. Step 3: Cross multiply
    7,015.77x = 10,520.58 × 2,630.16
  4. Step 4: Simplify right side
    7,015.77x = 27,670,808.69
  5. Step 5: Solve for x
    x = 27,670,808.69/7,015.77
  6. Step 6: Final answer
    x = 3,944.09

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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.