Home / 10,377.78-15,562.84-3,712.48

Finding the Fourth Proportional to 10,377.78, 15,562.84 and 3,712.48

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Solution

The fourth proportional to 10,377.78, 15,562.84 and 3,712.48 is: 5,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.78 : 15,562.84 = 3,712.48 : x
  2. Step 2: Convert to fraction form
    10,377.78/15,562.84 = 3,712.48/x
  3. Step 3: Cross multiply
    10,377.78x = 15,562.84 × 3,712.48
  4. Step 4: Simplify right side
    10,377.78x = 57,776,732.24
  5. Step 5: Solve for x
    x = 57,776,732.24/10,377.78
  6. Step 6: Final answer
    x = 5,567.35

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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.