Home / 10,018.41-13,830.92-7,499.61

Finding the Fourth Proportional to 10,018.41, 13,830.92 and 7,499.61

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Solution

The fourth proportional to 10,018.41, 13,830.92 and 7,499.61 is: 10,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.41 : 13,830.92 = 7,499.61 : x
  2. Step 2: Convert to fraction form
    10,018.41/13,830.92 = 7,499.61/x
  3. Step 3: Cross multiply
    10,018.41x = 13,830.92 × 7,499.61
  4. Step 4: Simplify right side
    10,018.41x = 103,726,496.57
  5. Step 5: Solve for x
    x = 103,726,496.57/10,018.41
  6. Step 6: Final answer
    x = 10,353.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.