Home / 10,013.88-15,015.72-3,347.98

Finding the Fourth Proportional to 10,013.88, 15,015.72 and 3,347.98

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Solution

The fourth proportional to 10,013.88, 15,015.72 and 3,347.98 is: 5,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.88 : 15,015.72 = 3,347.98 : x
  2. Step 2: Convert to fraction form
    10,013.88/15,015.72 = 3,347.98/x
  3. Step 3: Cross multiply
    10,013.88x = 15,015.72 × 3,347.98
  4. Step 4: Simplify right side
    10,013.88x = 50,272,330.25
  5. Step 5: Solve for x
    x = 50,272,330.25/10,013.88
  6. Step 6: Final answer
    x = 5,020.26

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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.