Home / 9,378.45-14,051.48-7,726.05

Finding the Fourth Proportional to 9,378.45, 14,051.48 and 7,726.05

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Solution

The fourth proportional to 9,378.45, 14,051.48 and 7,726.05 is: 11,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.45 : 14,051.48 = 7,726.05 : x
  2. Step 2: Convert to fraction form
    9,378.45/14,051.48 = 7,726.05/x
  3. Step 3: Cross multiply
    9,378.45x = 14,051.48 × 7,726.05
  4. Step 4: Simplify right side
    9,378.45x = 108,562,398.42
  5. Step 5: Solve for x
    x = 108,562,398.42/9,378.45
  6. Step 6: Final answer
    x = 11,575.73

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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.