Home / 10,106.64-15,160.57-3,865.59

Finding the Fourth Proportional to 10,106.64, 15,160.57 and 3,865.59

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Solution

The fourth proportional to 10,106.64, 15,160.57 and 3,865.59 is: 5,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.64 : 15,160.57 = 3,865.59 : x
  2. Step 2: Convert to fraction form
    10,106.64/15,160.57 = 3,865.59/x
  3. Step 3: Cross multiply
    10,106.64x = 15,160.57 × 3,865.59
  4. Step 4: Simplify right side
    10,106.64x = 58,604,538.12
  5. Step 5: Solve for x
    x = 58,604,538.12/10,106.64
  6. Step 6: Final answer
    x = 5,798.62

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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.