Home / 10,197.81-15,299.15-4,354.88

Finding the Fourth Proportional to 10,197.81, 15,299.15 and 4,354.88

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Solution

The fourth proportional to 10,197.81, 15,299.15 and 4,354.88 is: 6,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.81 : 15,299.15 = 4,354.88 : x
  2. Step 2: Convert to fraction form
    10,197.81/15,299.15 = 4,354.88/x
  3. Step 3: Cross multiply
    10,197.81x = 15,299.15 × 4,354.88
  4. Step 4: Simplify right side
    10,197.81x = 66,625,864.08
  5. Step 5: Solve for x
    x = 66,625,864.08/10,197.81
  6. Step 6: Final answer
    x = 6,533.35

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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.