Home / 10,072.01-15,112.89-4,153.28

Finding the Fourth Proportional to 10,072.01, 15,112.89 and 4,153.28

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Solution

The fourth proportional to 10,072.01, 15,112.89 and 4,153.28 is: 6,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.01 : 15,112.89 = 4,153.28 : x
  2. Step 2: Convert to fraction form
    10,072.01/15,112.89 = 4,153.28/x
  3. Step 3: Cross multiply
    10,072.01x = 15,112.89 × 4,153.28
  4. Step 4: Simplify right side
    10,072.01x = 62,767,988.21
  5. Step 5: Solve for x
    x = 62,767,988.21/10,072.01
  6. Step 6: Final answer
    x = 6,231.92

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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.