Home / 10,176.08-15,266.45-3,936.15

Finding the Fourth Proportional to 10,176.08, 15,266.45 and 3,936.15

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Solution

The fourth proportional to 10,176.08, 15,266.45 and 3,936.15 is: 5,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.08 : 15,266.45 = 3,936.15 : x
  2. Step 2: Convert to fraction form
    10,176.08/15,266.45 = 3,936.15/x
  3. Step 3: Cross multiply
    10,176.08x = 15,266.45 × 3,936.15
  4. Step 4: Simplify right side
    10,176.08x = 60,091,037.17
  5. Step 5: Solve for x
    x = 60,091,037.17/10,176.08
  6. Step 6: Final answer
    x = 5,905.13

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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.