Home / 38,937.10-58,415.40-11,235.10

Finding the Fourth Proportional to 38,937.10, 58,415.40 and 11,235.10

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Solution

The fourth proportional to 38,937.10, 58,415.40 and 11,235.10 is: 16,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.10 : 58,415.40 = 11,235.10 : x
  2. Step 2: Convert to fraction form
    38,937.10/58,415.40 = 11,235.10/x
  3. Step 3: Cross multiply
    38,937.10x = 58,415.40 × 11,235.10
  4. Step 4: Simplify right side
    38,937.10x = 656,302,860.54
  5. Step 5: Solve for x
    x = 656,302,860.54/38,937.10
  6. Step 6: Final answer
    x = 16,855.46

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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.