Home / 45,006.12-67,509.21-11,726.10

Finding the Fourth Proportional to 45,006.12, 67,509.21 and 11,726.10

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Solution

The fourth proportional to 45,006.12, 67,509.21 and 11,726.10 is: 17,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,006.12 : 67,509.21 = 11,726.10 : x
  2. Step 2: Convert to fraction form
    45,006.12/67,509.21 = 11,726.10/x
  3. Step 3: Cross multiply
    45,006.12x = 67,509.21 × 11,726.10
  4. Step 4: Simplify right side
    45,006.12x = 791,619,747.38
  5. Step 5: Solve for x
    x = 791,619,747.38/45,006.12
  6. Step 6: Final answer
    x = 17,589.16

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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.