Home / 10,008.38-15,013.62-3,435.10

Finding the Fourth Proportional to 10,008.38, 15,013.62 and 3,435.10

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Solution

The fourth proportional to 10,008.38, 15,013.62 and 3,435.10 is: 5,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.38 : 15,013.62 = 3,435.10 : x
  2. Step 2: Convert to fraction form
    10,008.38/15,013.62 = 3,435.10/x
  3. Step 3: Cross multiply
    10,008.38x = 15,013.62 × 3,435.10
  4. Step 4: Simplify right side
    10,008.38x = 51,573,286.06
  5. Step 5: Solve for x
    x = 51,573,286.06/10,008.38
  6. Step 6: Final answer
    x = 5,153.01

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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.