Home / 7,151.72-10,726.90-4,376.96

Finding the Fourth Proportional to 7,151.72, 10,726.90 and 4,376.96

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Solution

The fourth proportional to 7,151.72, 10,726.90 and 4,376.96 is: 6,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.72 : 10,726.90 = 4,376.96 : x
  2. Step 2: Convert to fraction form
    7,151.72/10,726.90 = 4,376.96/x
  3. Step 3: Cross multiply
    7,151.72x = 10,726.90 × 4,376.96
  4. Step 4: Simplify right side
    7,151.72x = 46,951,212.22
  5. Step 5: Solve for x
    x = 46,951,212.22/7,151.72
  6. Step 6: Final answer
    x = 6,565.02

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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.