Home / 10,102.64-15,160.88-3,528.83

Finding the Fourth Proportional to 10,102.64, 15,160.88 and 3,528.83

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Solution

The fourth proportional to 10,102.64, 15,160.88 and 3,528.83 is: 5,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.64 : 15,160.88 = 3,528.83 : x
  2. Step 2: Convert to fraction form
    10,102.64/15,160.88 = 3,528.83/x
  3. Step 3: Cross multiply
    10,102.64x = 15,160.88 × 3,528.83
  4. Step 4: Simplify right side
    10,102.64x = 53,500,168.17
  5. Step 5: Solve for x
    x = 53,500,168.17/10,102.64
  6. Step 6: Final answer
    x = 5,295.66

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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.